<div class="xblock xblock-public_view xblock-public_view-vertical" data-block-type="vertical" data-runtime-class="LmsRuntime" data-usage-id="block-v1:MITx+16.885x+3T2019+type@vertical+block@1f44e857fd534fe696c2816bc4ff4dd9" data-course-id="course-v1:MITx+16.885x+3T2019" data-has-score="False" data-graded="True" data-runtime-version="1" data-init="VerticalStudentView" data-request-token="1c268910038511efa5490afff417eba9">
<h2 class="hd hd-2 unit-title">Lecture Files & Content</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+16.885x+3T2019+type@html+block@02db495b592f4cb29003b23e734425b0">
<div class="xblock xblock-public_view xblock-public_view-html xmodule_display xmodule_HtmlBlock" data-block-type="html" data-runtime-class="LmsRuntime" data-usage-id="block-v1:MITx+16.885x+3T2019+type@html+block@02db495b592f4cb29003b23e734425b0" data-course-id="course-v1:MITx+16.885x+3T2019" data-has-score="False" data-graded="True" data-runtime-version="1" data-init="XBlockToXModuleShim" data-request-token="1c268910038511efa5490afff417eba9">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "HTMLModule"}
</script>
<p><a href="/assets/courseware/v1/5920188031126c72a1b1dabc9f7933af/asset-v1:MITx+16.885x+3T2019+type@asset+block/Lecture_10___Henry_Pohl___Shuttle_OMS_RCS_APU_Hydraulics.pdf" target="[object Object]">Lecture Slides</a></p>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-block-type="vertical" data-runtime-class="LmsRuntime" data-usage-id="block-v1:MITx+16.885x+3T2019+type@vertical+block@255b3bdf9f4d46bf98f70a9c527bf379" data-course-id="course-v1:MITx+16.885x+3T2019" data-has-score="False" data-graded="True" data-runtime-version="1" data-init="VerticalStudentView" data-request-token="1c268910038511efa5490afff417eba9">
<h2 class="hd hd-2 unit-title">OMS/RCS APU/Hydraulics: Part I</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+16.885x+3T2019+type@video+block@c3dbc7b3e1814a49bd378808e94fdf21">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-block-type="video" data-runtime-class="LmsRuntime" data-usage-id="block-v1:MITx+16.885x+3T2019+type@video+block@c3dbc7b3e1814a49bd378808e94fdf21" data-course-id="course-v1:MITx+16.885x+3T2019" data-has-score="False" data-graded="True" data-runtime-version="1" data-init="XBlockToXModuleShim" data-request-token="1c268910038511efa5490afff417eba9">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">Lecture Video</h3>
<div
id="video_c3dbc7b3e1814a49bd378808e94fdf21"
class="video closed"
data-metadata='{"transcriptLanguages": {"en": "English"}, "captionDataDir": null, "autoAdvance": false, "poster": null, "publishCompletionUrl": "/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@c3dbc7b3e1814a49bd378808e94fdf21/handler/publish_completion", "transcriptLanguage": "en", "showCaptions": "true", "completionEnabled": false, "prioritizeHls": false, "sources": ["https://d2f1egay8yehza.cloudfront.net/MIT168852018-V004000/MIT168852018-V004000.m3u8"], "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@c3dbc7b3e1814a49bd378808e94fdf21/handler/transcript/available_translations", "ytApiUrl": "https://www.youtube.com/iframe_api", "autohideHtml5": false, "start": 0.0, "generalSpeed": 1.0, "recordedYoutubeIsAvailable": true, "speed": null, "end": 0.0, "ytMetadataEndpoint": "", "savedVideoPosition": 0.0, "ytTestTimeout": 1500, "autoplay": false, "saveStateUrl": "/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@c3dbc7b3e1814a49bd378808e94fdf21/handler/xmodule_handler/save_user_state", "saveStateEnabled": false, "transcriptTranslationUrl": "/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@c3dbc7b3e1814a49bd378808e94fdf21/handler/transcript/translation/__lang__", "streams": "1.00:ptoifpTigSc", "completionPercentage": 0.95, "duration": 0.0, "lmsRootURL": "https://openlearninglibrary.mit.edu"}'
data-bumper-metadata='null'
data-autoadvance-enabled="False"
data-poster='null'
tabindex="-1"
>
<div class="focus_grabber first"></div>
<div class="tc-wrapper">
<div class="video-wrapper">
<span tabindex="0" class="spinner" aria-hidden="false" aria-label="Loading video player"></span>
<span tabindex="-1" class="btn-play fa fa-youtube-play fa-2x is-hidden" aria-hidden="true" aria-label="Play video"></span>
<div class="video-player-pre"></div>
<div class="video-player">
<div id="c3dbc7b3e1814a49bd378808e94fdf21"></div>
<h4 class="hd hd-4 video-error is-hidden">No playable video sources found.</h4>
<h4 class="hd hd-4 video-hls-error is-hidden">
Your browser does not support this video format. Try using a different browser.
</h4>
</div>
<div class="video-player-post"></div>
<div class="closed-captions"></div>
<div class="video-controls is-hidden">
<div>
<div class="vcr"><div class="vidtime">0:00 / 0:00</div></div>
<div class="secondary-controls"></div>
</div>
</div>
</div>
</div>
<div class="focus_grabber last"></div>
<h3 class="hd hd-4 downloads-heading sr" id="video-download-transcripts_c3dbc7b3e1814a49bd378808e94fdf21">Downloads and transcripts</h3>
<div class="wrapper-downloads" role="region" aria-labelledby="video-download-transcripts_c3dbc7b3e1814a49bd378808e94fdf21">
<div class="wrapper-download-transcripts">
<h4 class="hd hd-5">Transcripts</h4>
<ul class="list-download-transcripts">
<li class="transcript-option">
<a class="btn btn-link" href="/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@c3dbc7b3e1814a49bd378808e94fdf21/handler/transcript/download" data-value="srt">Download SubRip (.srt) file</a>
</li>
<li class="transcript-option">
<a class="btn btn-link" href="/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@c3dbc7b3e1814a49bd378808e94fdf21/handler/transcript/download" data-value="txt">Download Text (.txt) file</a>
</li>
</ul>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-block-type="vertical" data-runtime-class="LmsRuntime" data-usage-id="block-v1:MITx+16.885x+3T2019+type@vertical+block@2d5ad9a66d9145e0950e77a4fd933d6b" data-course-id="course-v1:MITx+16.885x+3T2019" data-has-score="False" data-graded="True" data-runtime-version="1" data-init="VerticalStudentView" data-request-token="1c268910038511efa5490afff417eba9">
<h2 class="hd hd-2 unit-title">OMS/RCS APU/Hydraulics: Part II</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+16.885x+3T2019+type@video+block@7bd6fb7a33074eb981dae9c193b5b198">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-block-type="video" data-runtime-class="LmsRuntime" data-usage-id="block-v1:MITx+16.885x+3T2019+type@video+block@7bd6fb7a33074eb981dae9c193b5b198" data-course-id="course-v1:MITx+16.885x+3T2019" data-has-score="False" data-graded="True" data-runtime-version="1" data-init="XBlockToXModuleShim" data-request-token="1c268910038511efa5490afff417eba9">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">Lecture Video</h3>
<div
id="video_7bd6fb7a33074eb981dae9c193b5b198"
class="video closed"
data-metadata='{"transcriptLanguages": {"en": "English"}, "captionDataDir": null, "autoAdvance": false, "poster": null, "publishCompletionUrl": "/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@7bd6fb7a33074eb981dae9c193b5b198/handler/publish_completion", "transcriptLanguage": "en", "showCaptions": "true", "completionEnabled": false, "prioritizeHls": false, "sources": ["https://d2f1egay8yehza.cloudfront.net/MIT168852018-V003900/MIT168852018-V003900.m3u8"], "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@7bd6fb7a33074eb981dae9c193b5b198/handler/transcript/available_translations", "ytApiUrl": "https://www.youtube.com/iframe_api", "autohideHtml5": false, "start": 0.0, "generalSpeed": 1.0, "recordedYoutubeIsAvailable": true, "speed": null, "end": 0.0, "ytMetadataEndpoint": "", "savedVideoPosition": 0.0, "ytTestTimeout": 1500, "autoplay": false, "saveStateUrl": "/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@7bd6fb7a33074eb981dae9c193b5b198/handler/xmodule_handler/save_user_state", "saveStateEnabled": false, "transcriptTranslationUrl": "/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@7bd6fb7a33074eb981dae9c193b5b198/handler/transcript/translation/__lang__", "streams": "1.00:8-OxfI_2dgo", "completionPercentage": 0.95, "duration": 0.0, "lmsRootURL": "https://openlearninglibrary.mit.edu"}'
data-bumper-metadata='null'
data-autoadvance-enabled="False"
data-poster='null'
tabindex="-1"
>
<div class="focus_grabber first"></div>
<div class="tc-wrapper">
<div class="video-wrapper">
<span tabindex="0" class="spinner" aria-hidden="false" aria-label="Loading video player"></span>
<span tabindex="-1" class="btn-play fa fa-youtube-play fa-2x is-hidden" aria-hidden="true" aria-label="Play video"></span>
<div class="video-player-pre"></div>
<div class="video-player">
<div id="7bd6fb7a33074eb981dae9c193b5b198"></div>
<h4 class="hd hd-4 video-error is-hidden">No playable video sources found.</h4>
<h4 class="hd hd-4 video-hls-error is-hidden">
Your browser does not support this video format. Try using a different browser.
</h4>
</div>
<div class="video-player-post"></div>
<div class="closed-captions"></div>
<div class="video-controls is-hidden">
<div>
<div class="vcr"><div class="vidtime">0:00 / 0:00</div></div>
<div class="secondary-controls"></div>
</div>
</div>
</div>
</div>
<div class="focus_grabber last"></div>
<h3 class="hd hd-4 downloads-heading sr" id="video-download-transcripts_7bd6fb7a33074eb981dae9c193b5b198">Downloads and transcripts</h3>
<div class="wrapper-downloads" role="region" aria-labelledby="video-download-transcripts_7bd6fb7a33074eb981dae9c193b5b198">
<div class="wrapper-download-transcripts">
<h4 class="hd hd-5">Transcripts</h4>
<ul class="list-download-transcripts">
<li class="transcript-option">
<a class="btn btn-link" href="/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@7bd6fb7a33074eb981dae9c193b5b198/handler/transcript/download" data-value="srt">Download SubRip (.srt) file</a>
</li>
<li class="transcript-option">
<a class="btn btn-link" href="/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@7bd6fb7a33074eb981dae9c193b5b198/handler/transcript/download" data-value="txt">Download Text (.txt) file</a>
</li>
</ul>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-block-type="vertical" data-runtime-class="LmsRuntime" data-usage-id="block-v1:MITx+16.885x+3T2019+type@vertical+block@031ec637940048a2aab1c6c9aec0e5ac" data-course-id="course-v1:MITx+16.885x+3T2019" data-has-score="False" data-graded="True" data-runtime-version="1" data-init="VerticalStudentView" data-request-token="1c268910038511efa5490afff417eba9">
<h2 class="hd hd-2 unit-title">OMS/RCS APU/Hydraulics: Part III</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+16.885x+3T2019+type@video+block@fff05e5d694b4895b58a809b646015ce">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-block-type="video" data-runtime-class="LmsRuntime" data-usage-id="block-v1:MITx+16.885x+3T2019+type@video+block@fff05e5d694b4895b58a809b646015ce" data-course-id="course-v1:MITx+16.885x+3T2019" data-has-score="False" data-graded="True" data-runtime-version="1" data-init="XBlockToXModuleShim" data-request-token="1c268910038511efa5490afff417eba9">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">Lecture Video</h3>
<div
id="video_fff05e5d694b4895b58a809b646015ce"
class="video closed"
data-metadata='{"transcriptLanguages": {"en": "English"}, "captionDataDir": null, "autoAdvance": false, "poster": null, "publishCompletionUrl": "/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@fff05e5d694b4895b58a809b646015ce/handler/publish_completion", "transcriptLanguage": "en", "showCaptions": "true", "completionEnabled": false, "prioritizeHls": false, "sources": ["https://d2f1egay8yehza.cloudfront.net/MIT168852018-V004100/MIT168852018-V004100.m3u8"], "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@fff05e5d694b4895b58a809b646015ce/handler/transcript/available_translations", "ytApiUrl": "https://www.youtube.com/iframe_api", "autohideHtml5": false, "start": 0.0, "generalSpeed": 1.0, "recordedYoutubeIsAvailable": true, "speed": null, "end": 0.0, "ytMetadataEndpoint": "", "savedVideoPosition": 0.0, "ytTestTimeout": 1500, "autoplay": false, "saveStateUrl": "/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@fff05e5d694b4895b58a809b646015ce/handler/xmodule_handler/save_user_state", "saveStateEnabled": false, "transcriptTranslationUrl": "/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@fff05e5d694b4895b58a809b646015ce/handler/transcript/translation/__lang__", "streams": "1.00:Rq3thTMDzqU", "completionPercentage": 0.95, "duration": 0.0, "lmsRootURL": "https://openlearninglibrary.mit.edu"}'
data-bumper-metadata='null'
data-autoadvance-enabled="False"
data-poster='null'
tabindex="-1"
>
<div class="focus_grabber first"></div>
<div class="tc-wrapper">
<div class="video-wrapper">
<span tabindex="0" class="spinner" aria-hidden="false" aria-label="Loading video player"></span>
<span tabindex="-1" class="btn-play fa fa-youtube-play fa-2x is-hidden" aria-hidden="true" aria-label="Play video"></span>
<div class="video-player-pre"></div>
<div class="video-player">
<div id="fff05e5d694b4895b58a809b646015ce"></div>
<h4 class="hd hd-4 video-error is-hidden">No playable video sources found.</h4>
<h4 class="hd hd-4 video-hls-error is-hidden">
Your browser does not support this video format. Try using a different browser.
</h4>
</div>
<div class="video-player-post"></div>
<div class="closed-captions"></div>
<div class="video-controls is-hidden">
<div>
<div class="vcr"><div class="vidtime">0:00 / 0:00</div></div>
<div class="secondary-controls"></div>
</div>
</div>
</div>
</div>
<div class="focus_grabber last"></div>
<h3 class="hd hd-4 downloads-heading sr" id="video-download-transcripts_fff05e5d694b4895b58a809b646015ce">Downloads and transcripts</h3>
<div class="wrapper-downloads" role="region" aria-labelledby="video-download-transcripts_fff05e5d694b4895b58a809b646015ce">
<div class="wrapper-download-transcripts">
<h4 class="hd hd-5">Transcripts</h4>
<ul class="list-download-transcripts">
<li class="transcript-option">
<a class="btn btn-link" href="/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@fff05e5d694b4895b58a809b646015ce/handler/transcript/download" data-value="srt">Download SubRip (.srt) file</a>
</li>
<li class="transcript-option">
<a class="btn btn-link" href="/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@fff05e5d694b4895b58a809b646015ce/handler/transcript/download" data-value="txt">Download Text (.txt) file</a>
</li>
</ul>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-block-type="vertical" data-runtime-class="LmsRuntime" data-usage-id="block-v1:MITx+16.885x+3T2019+type@vertical+block@6a6c6a49b320447eb53aefa3200a4f7a" data-course-id="course-v1:MITx+16.885x+3T2019" data-has-score="False" data-graded="True" data-runtime-version="1" data-init="VerticalStudentView" data-request-token="1c268910038511efa5490afff417eba9">
<h2 class="hd hd-2 unit-title">OMS/RCS APU/Hydraulics: Part IV</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+16.885x+3T2019+type@video+block@8b915870bec14370b9fbbf6893fe5dd8">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-block-type="video" data-runtime-class="LmsRuntime" data-usage-id="block-v1:MITx+16.885x+3T2019+type@video+block@8b915870bec14370b9fbbf6893fe5dd8" data-course-id="course-v1:MITx+16.885x+3T2019" data-has-score="False" data-graded="True" data-runtime-version="1" data-init="XBlockToXModuleShim" data-request-token="1c268910038511efa5490afff417eba9">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">Lecture Video</h3>
<div
id="video_8b915870bec14370b9fbbf6893fe5dd8"
class="video closed"
data-metadata='{"transcriptLanguages": {"en": "English"}, "captionDataDir": null, "autoAdvance": false, "poster": null, "publishCompletionUrl": "/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@8b915870bec14370b9fbbf6893fe5dd8/handler/publish_completion", "transcriptLanguage": "en", "showCaptions": "true", "completionEnabled": false, "prioritizeHls": false, "sources": ["https://d2f1egay8yehza.cloudfront.net/MIT168852018-V003800/MIT168852018-V003800.m3u8"], "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@8b915870bec14370b9fbbf6893fe5dd8/handler/transcript/available_translations", "ytApiUrl": "https://www.youtube.com/iframe_api", "autohideHtml5": false, "start": 0.0, "generalSpeed": 1.0, "recordedYoutubeIsAvailable": true, "speed": null, "end": 0.0, "ytMetadataEndpoint": "", "savedVideoPosition": 0.0, "ytTestTimeout": 1500, "autoplay": false, "saveStateUrl": "/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@8b915870bec14370b9fbbf6893fe5dd8/handler/xmodule_handler/save_user_state", "saveStateEnabled": false, "transcriptTranslationUrl": "/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@8b915870bec14370b9fbbf6893fe5dd8/handler/transcript/translation/__lang__", "streams": "1.00:ouroR8VWBs0", "completionPercentage": 0.95, "duration": 0.0, "lmsRootURL": "https://openlearninglibrary.mit.edu"}'
data-bumper-metadata='null'
data-autoadvance-enabled="False"
data-poster='null'
tabindex="-1"
>
<div class="focus_grabber first"></div>
<div class="tc-wrapper">
<div class="video-wrapper">
<span tabindex="0" class="spinner" aria-hidden="false" aria-label="Loading video player"></span>
<span tabindex="-1" class="btn-play fa fa-youtube-play fa-2x is-hidden" aria-hidden="true" aria-label="Play video"></span>
<div class="video-player-pre"></div>
<div class="video-player">
<div id="8b915870bec14370b9fbbf6893fe5dd8"></div>
<h4 class="hd hd-4 video-error is-hidden">No playable video sources found.</h4>
<h4 class="hd hd-4 video-hls-error is-hidden">
Your browser does not support this video format. Try using a different browser.
</h4>
</div>
<div class="video-player-post"></div>
<div class="closed-captions"></div>
<div class="video-controls is-hidden">
<div>
<div class="vcr"><div class="vidtime">0:00 / 0:00</div></div>
<div class="secondary-controls"></div>
</div>
</div>
</div>
</div>
<div class="focus_grabber last"></div>
<h3 class="hd hd-4 downloads-heading sr" id="video-download-transcripts_8b915870bec14370b9fbbf6893fe5dd8">Downloads and transcripts</h3>
<div class="wrapper-downloads" role="region" aria-labelledby="video-download-transcripts_8b915870bec14370b9fbbf6893fe5dd8">
<div class="wrapper-download-transcripts">
<h4 class="hd hd-5">Transcripts</h4>
<ul class="list-download-transcripts">
<li class="transcript-option">
<a class="btn btn-link" href="/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@8b915870bec14370b9fbbf6893fe5dd8/handler/transcript/download" data-value="srt">Download SubRip (.srt) file</a>
</li>
<li class="transcript-option">
<a class="btn btn-link" href="/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@video+block@8b915870bec14370b9fbbf6893fe5dd8/handler/transcript/download" data-value="txt">Download Text (.txt) file</a>
</li>
</ul>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-block-type="vertical" data-runtime-class="LmsRuntime" data-usage-id="block-v1:MITx+16.885x+3T2019+type@vertical+block@349369e5918940949308e784c8584d70" data-course-id="course-v1:MITx+16.885x+3T2019" data-has-score="False" data-graded="True" data-runtime-version="1" data-init="VerticalStudentView" data-request-token="1c268910038511efa5490afff417eba9">
<h2 class="hd hd-2 unit-title">Questions</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+16.885x+3T2019+type@problem+block@3712a3088f49492aab41755eeda6dadc">
<div class="xblock xblock-public_view xblock-public_view-problem xmodule_display xmodule_ProblemBlock" data-block-type="problem" data-runtime-class="LmsRuntime" data-usage-id="block-v1:MITx+16.885x+3T2019+type@problem+block@3712a3088f49492aab41755eeda6dadc" data-course-id="course-v1:MITx+16.885x+3T2019" data-has-score="True" data-graded="True" data-runtime-version="1" data-init="XBlockToXModuleShim" data-request-token="1c268910038511efa5490afff417eba9">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Problem"}
</script>
<div id="problem_3712a3088f49492aab41755eeda6dadc" class="problems-wrapper" role="group"
aria-labelledby="3712a3088f49492aab41755eeda6dadc-problem-title"
data-problem-id="block-v1:MITx+16.885x+3T2019+type@problem+block@3712a3088f49492aab41755eeda6dadc" data-url="/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@problem+block@3712a3088f49492aab41755eeda6dadc/handler/xmodule_handler"
data-problem-score="0"
data-problem-total-possible="1"
data-attempts-used="0"
data-content="
<h3 class="hd hd-3 problem-header" id="3712a3088f49492aab41755eeda6dadc-problem-title" aria-describedby="block-v1:MITx+16.885x+3T2019+type@problem+block@3712a3088f49492aab41755eeda6dadc-problem-progress" tabindex="-1">
Question 1
</h3>
<div class="problem-progress" id="block-v1:MITx+16.885x+3T2019+type@problem+block@3712a3088f49492aab41755eeda6dadc-problem-progress"></div>
<div class="problem">
<div>
<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><div class="choicegroup capa_inputtype" id="inputtype_3712a3088f49492aab41755eeda6dadc_2_1">
<fieldset aria-describedby="status_3712a3088f49492aab41755eeda6dadc_2_1">
<legend id="3712a3088f49492aab41755eeda6dadc_2_1-legend" class="response-fieldset-legend field-group-hd">In designing a new vehicle like the Space Shuttle, the cost of initial development and the cost of operations are generally:</legend>
<div class="field">
<input type="radio" name="input_3712a3088f49492aab41755eeda6dadc_2_1" id="input_3712a3088f49492aab41755eeda6dadc_2_1_choice_0" class="field-input input-radio" value="choice_0"/><label id="3712a3088f49492aab41755eeda6dadc_2_1-choice_0-label" for="input_3712a3088f49492aab41755eeda6dadc_2_1_choice_0" class="response-label field-label label-inline" aria-describedby="status_3712a3088f49492aab41755eeda6dadc_2_1"> complimentary (i.e. they both change in the same direction)
</label>
</div>
<div class="field">
<input type="radio" name="input_3712a3088f49492aab41755eeda6dadc_2_1" id="input_3712a3088f49492aab41755eeda6dadc_2_1_choice_1" class="field-input input-radio" value="choice_1"/><label id="3712a3088f49492aab41755eeda6dadc_2_1-choice_1-label" for="input_3712a3088f49492aab41755eeda6dadc_2_1_choice_1" class="response-label field-label label-inline" aria-describedby="status_3712a3088f49492aab41755eeda6dadc_2_1"> opposite (i.e. when one goes up, the other goes down, and vice versa)
</label>
</div>
<span id="answer_3712a3088f49492aab41755eeda6dadc_2_1"/>
</fieldset>
<div class="indicator-container">
<span class="status unanswered" id="status_3712a3088f49492aab41755eeda6dadc_2_1" data-tooltip="Not yet answered.">
<span class="sr">unanswered</span><span class="status-icon" aria-hidden="true"/>
</span>
</div>
</div><div class="solution-span">
<span id="solution_3712a3088f49492aab41755eeda6dadc_solution_1"/>
</div></div>
</div>
<div class="action">
<input type="hidden" name="problem_id" value="Question 1" />
<div class="problem-hint">
<div class="notification problem-hint notification-hint
is-hidden"
tabindex="-1">
<span class="icon fa fa-question" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="3712a3088f49492aab41755eeda6dadc-problem-title">
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn hint-button">
Next Hint
</button>
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
</div>
<div class="submit-attempt-container">
<button type="button" class="submit btn-brand" data-submitting="Submitting" data-value="Submit" data-should-enable-submit-button="True" aria-describedby="submission_feedback_3712a3088f49492aab41755eeda6dadc" >
<span class="submit-label">Submit</span>
</button>
<div class="submission-feedback" id="submission_feedback_3712a3088f49492aab41755eeda6dadc">
<span class="sr">Some problems have options such as save, reset, hints, or show answer. These options follow the Submit button.</span>
</div>
</div>
<div class="problem-action-buttons-wrapper">
<span class="problem-action-button-wrapper">
<button type="button" class="hint-button problem-action-btn btn-default btn-small" data-value="Hint" ><span class="icon fa fa-question" aria-hidden="true"></span>Hint</button>
</span>
</div>
</div>
<div class="notification warning notification-gentle-alert
is-hidden"
tabindex="-1">
<span class="icon fa fa-exclamation-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="3712a3088f49492aab41755eeda6dadc-problem-title">
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification warning notification-save
is-hidden"
tabindex="-1">
<span class="icon fa fa-save" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="3712a3088f49492aab41755eeda6dadc-problem-title">None
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification general notification-show-answer
is-hidden"
tabindex="-1">
<span class="icon fa fa-info-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="3712a3088f49492aab41755eeda6dadc-problem-title">Answers are displayed within the problem
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
</div>
"
data-graded="True">
<p class="loading-spinner">
<i class="fa fa-spinner fa-pulse fa-2x fa-fw"></i>
<span class="sr">Loading…</span>
</p>
</div>
</div>
</div>
<div class="vert vert-1" data-id="block-v1:MITx+16.885x+3T2019+type@problem+block@b29fe23810234c698db8a61d133f4d0a">
<div class="xblock xblock-public_view xblock-public_view-problem xmodule_display xmodule_ProblemBlock" data-block-type="problem" data-runtime-class="LmsRuntime" data-usage-id="block-v1:MITx+16.885x+3T2019+type@problem+block@b29fe23810234c698db8a61d133f4d0a" data-course-id="course-v1:MITx+16.885x+3T2019" data-has-score="True" data-graded="True" data-runtime-version="1" data-init="XBlockToXModuleShim" data-request-token="1c268910038511efa5490afff417eba9">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Problem"}
</script>
<div id="problem_b29fe23810234c698db8a61d133f4d0a" class="problems-wrapper" role="group"
aria-labelledby="b29fe23810234c698db8a61d133f4d0a-problem-title"
data-problem-id="block-v1:MITx+16.885x+3T2019+type@problem+block@b29fe23810234c698db8a61d133f4d0a" data-url="/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@problem+block@b29fe23810234c698db8a61d133f4d0a/handler/xmodule_handler"
data-problem-score="0"
data-problem-total-possible="1"
data-attempts-used="0"
data-content="
<h3 class="hd hd-3 problem-header" id="b29fe23810234c698db8a61d133f4d0a-problem-title" aria-describedby="block-v1:MITx+16.885x+3T2019+type@problem+block@b29fe23810234c698db8a61d133f4d0a-problem-progress" tabindex="-1">
Question 2
</h3>
<div class="problem-progress" id="block-v1:MITx+16.885x+3T2019+type@problem+block@b29fe23810234c698db8a61d133f4d0a-problem-progress"></div>
<div class="problem">
<div>
<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><div class="choicegroup capa_inputtype" id="inputtype_b29fe23810234c698db8a61d133f4d0a_2_1">
<fieldset aria-describedby="status_b29fe23810234c698db8a61d133f4d0a_2_1">
<legend id="b29fe23810234c698db8a61d133f4d0a_2_1-legend" class="response-fieldset-legend field-group-hd">The advantages of using hypergolic propellant in the Space Shuttle Orbital Maneuvering (OMS) and Reaction Control (RCS) Systems are:</legend>
<div class="field">
<input type="checkbox" name="input_b29fe23810234c698db8a61d133f4d0a_2_1[]" id="input_b29fe23810234c698db8a61d133f4d0a_2_1_choice_0" class="field-input input-checkbox" value="choice_0"/><label id="b29fe23810234c698db8a61d133f4d0a_2_1-choice_0-label" for="input_b29fe23810234c698db8a61d133f4d0a_2_1_choice_0" class="response-label field-label label-inline" aria-describedby="status_b29fe23810234c698db8a61d133f4d0a_2_1"> The propellants are &#8220;storable&#8221;, i.e. they do not boil off or evaporate.
</label>
</div>
<div class="field">
<input type="checkbox" name="input_b29fe23810234c698db8a61d133f4d0a_2_1[]" id="input_b29fe23810234c698db8a61d133f4d0a_2_1_choice_1" class="field-input input-checkbox" value="choice_1"/><label id="b29fe23810234c698db8a61d133f4d0a_2_1-choice_1-label" for="input_b29fe23810234c698db8a61d133f4d0a_2_1_choice_1" class="response-label field-label label-inline" aria-describedby="status_b29fe23810234c698db8a61d133f4d0a_2_1"> The propellants ignite spontaneously when mixed, so no igniter is required.
</label>
</div>
<div class="field">
<input type="checkbox" name="input_b29fe23810234c698db8a61d133f4d0a_2_1[]" id="input_b29fe23810234c698db8a61d133f4d0a_2_1_choice_2" class="field-input input-checkbox" value="choice_2"/><label id="b29fe23810234c698db8a61d133f4d0a_2_1-choice_2-label" for="input_b29fe23810234c698db8a61d133f4d0a_2_1_choice_2" class="response-label field-label label-inline" aria-describedby="status_b29fe23810234c698db8a61d133f4d0a_2_1"> These propellants had already been used in many space applications, so no major development program was required, reducing development costs.
</label>
</div>
<span id="answer_b29fe23810234c698db8a61d133f4d0a_2_1"/>
</fieldset>
<div class="indicator-container">
<span class="status unanswered" id="status_b29fe23810234c698db8a61d133f4d0a_2_1" data-tooltip="Not yet answered.">
<span class="sr">unanswered</span><span class="status-icon" aria-hidden="true"/>
</span>
</div>
</div><div class="solution-span">
<span id="solution_b29fe23810234c698db8a61d133f4d0a_solution_1"/>
</div></div>
</div>
<div class="action">
<input type="hidden" name="problem_id" value="Question 2" />
<div class="submit-attempt-container">
<button type="button" class="submit btn-brand" data-submitting="Submitting" data-value="Submit" data-should-enable-submit-button="True" aria-describedby="submission_feedback_b29fe23810234c698db8a61d133f4d0a" >
<span class="submit-label">Submit</span>
</button>
<div class="submission-feedback" id="submission_feedback_b29fe23810234c698db8a61d133f4d0a">
<span class="sr">Some problems have options such as save, reset, hints, or show answer. These options follow the Submit button.</span>
</div>
</div>
<div class="problem-action-buttons-wrapper">
</div>
</div>
<div class="notification warning notification-gentle-alert
is-hidden"
tabindex="-1">
<span class="icon fa fa-exclamation-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="b29fe23810234c698db8a61d133f4d0a-problem-title">
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification warning notification-save
is-hidden"
tabindex="-1">
<span class="icon fa fa-save" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="b29fe23810234c698db8a61d133f4d0a-problem-title">None
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification general notification-show-answer
is-hidden"
tabindex="-1">
<span class="icon fa fa-info-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="b29fe23810234c698db8a61d133f4d0a-problem-title">Answers are displayed within the problem
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
</div>
"
data-graded="True">
<p class="loading-spinner">
<i class="fa fa-spinner fa-pulse fa-2x fa-fw"></i>
<span class="sr">Loading…</span>
</p>
</div>
</div>
</div>
<div class="vert vert-2" data-id="block-v1:MITx+16.885x+3T2019+type@problem+block@318bd978db1f43d9aa158c6528a6cc38">
<div class="xblock xblock-public_view xblock-public_view-problem xmodule_display xmodule_ProblemBlock" data-block-type="problem" data-runtime-class="LmsRuntime" data-usage-id="block-v1:MITx+16.885x+3T2019+type@problem+block@318bd978db1f43d9aa158c6528a6cc38" data-course-id="course-v1:MITx+16.885x+3T2019" data-has-score="True" data-graded="True" data-runtime-version="1" data-init="XBlockToXModuleShim" data-request-token="1c268910038511efa5490afff417eba9">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Problem"}
</script>
<div id="problem_318bd978db1f43d9aa158c6528a6cc38" class="problems-wrapper" role="group"
aria-labelledby="318bd978db1f43d9aa158c6528a6cc38-problem-title"
data-problem-id="block-v1:MITx+16.885x+3T2019+type@problem+block@318bd978db1f43d9aa158c6528a6cc38" data-url="/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@problem+block@318bd978db1f43d9aa158c6528a6cc38/handler/xmodule_handler"
data-problem-score="0"
data-problem-total-possible="1"
data-attempts-used="0"
data-content="
<h3 class="hd hd-3 problem-header" id="318bd978db1f43d9aa158c6528a6cc38-problem-title" aria-describedby="block-v1:MITx+16.885x+3T2019+type@problem+block@318bd978db1f43d9aa158c6528a6cc38-problem-progress" tabindex="-1">
Question 3
</h3>
<div class="problem-progress" id="block-v1:MITx+16.885x+3T2019+type@problem+block@318bd978db1f43d9aa158c6528a6cc38-problem-progress"></div>
<div class="problem">
<div>
<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><div class="choicegroup capa_inputtype" id="inputtype_318bd978db1f43d9aa158c6528a6cc38_2_1">
<fieldset aria-describedby="status_318bd978db1f43d9aa158c6528a6cc38_2_1">
<legend id="318bd978db1f43d9aa158c6528a6cc38_2_1-legend" class="response-fieldset-legend field-group-hd">The major disadvantage of using hypergolic propellants is that they are dangerous if breathed and corrosive to materials used to contain them.</legend>
<div class="field">
<input type="radio" name="input_318bd978db1f43d9aa158c6528a6cc38_2_1" id="input_318bd978db1f43d9aa158c6528a6cc38_2_1_choice_0" class="field-input input-radio" value="choice_0"/><label id="318bd978db1f43d9aa158c6528a6cc38_2_1-choice_0-label" for="input_318bd978db1f43d9aa158c6528a6cc38_2_1_choice_0" class="response-label field-label label-inline" aria-describedby="status_318bd978db1f43d9aa158c6528a6cc38_2_1"> True
</label>
</div>
<div class="field">
<input type="radio" name="input_318bd978db1f43d9aa158c6528a6cc38_2_1" id="input_318bd978db1f43d9aa158c6528a6cc38_2_1_choice_1" class="field-input input-radio" value="choice_1"/><label id="318bd978db1f43d9aa158c6528a6cc38_2_1-choice_1-label" for="input_318bd978db1f43d9aa158c6528a6cc38_2_1_choice_1" class="response-label field-label label-inline" aria-describedby="status_318bd978db1f43d9aa158c6528a6cc38_2_1"> False
</label>
</div>
<span id="answer_318bd978db1f43d9aa158c6528a6cc38_2_1"/>
</fieldset>
<div class="indicator-container">
<span class="status unanswered" id="status_318bd978db1f43d9aa158c6528a6cc38_2_1" data-tooltip="Not yet answered.">
<span class="sr">unanswered</span><span class="status-icon" aria-hidden="true"/>
</span>
</div>
</div><div class="solution-span">
<span id="solution_318bd978db1f43d9aa158c6528a6cc38_solution_1"/>
</div></div>
</div>
<div class="action">
<input type="hidden" name="problem_id" value="Question 3" />
<div class="problem-hint">
<div class="notification problem-hint notification-hint
is-hidden"
tabindex="-1">
<span class="icon fa fa-question" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="318bd978db1f43d9aa158c6528a6cc38-problem-title">
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn hint-button">
Next Hint
</button>
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
</div>
<div class="submit-attempt-container">
<button type="button" class="submit btn-brand" data-submitting="Submitting" data-value="Submit" data-should-enable-submit-button="True" aria-describedby="submission_feedback_318bd978db1f43d9aa158c6528a6cc38" >
<span class="submit-label">Submit</span>
</button>
<div class="submission-feedback" id="submission_feedback_318bd978db1f43d9aa158c6528a6cc38">
<span class="sr">Some problems have options such as save, reset, hints, or show answer. These options follow the Submit button.</span>
</div>
</div>
<div class="problem-action-buttons-wrapper">
<span class="problem-action-button-wrapper">
<button type="button" class="hint-button problem-action-btn btn-default btn-small" data-value="Hint" ><span class="icon fa fa-question" aria-hidden="true"></span>Hint</button>
</span>
</div>
</div>
<div class="notification warning notification-gentle-alert
is-hidden"
tabindex="-1">
<span class="icon fa fa-exclamation-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="318bd978db1f43d9aa158c6528a6cc38-problem-title">
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification warning notification-save
is-hidden"
tabindex="-1">
<span class="icon fa fa-save" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="318bd978db1f43d9aa158c6528a6cc38-problem-title">None
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification general notification-show-answer
is-hidden"
tabindex="-1">
<span class="icon fa fa-info-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="318bd978db1f43d9aa158c6528a6cc38-problem-title">Answers are displayed within the problem
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
</div>
"
data-graded="True">
<p class="loading-spinner">
<i class="fa fa-spinner fa-pulse fa-2x fa-fw"></i>
<span class="sr">Loading…</span>
</p>
</div>
</div>
</div>
<div class="vert vert-3" data-id="block-v1:MITx+16.885x+3T2019+type@problem+block@b58916841fd4487ab85d869b60cd4830">
<div class="xblock xblock-public_view xblock-public_view-problem xmodule_display xmodule_ProblemBlock" data-block-type="problem" data-runtime-class="LmsRuntime" data-usage-id="block-v1:MITx+16.885x+3T2019+type@problem+block@b58916841fd4487ab85d869b60cd4830" data-course-id="course-v1:MITx+16.885x+3T2019" data-has-score="True" data-graded="True" data-runtime-version="1" data-init="XBlockToXModuleShim" data-request-token="1c268910038511efa5490afff417eba9">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Problem"}
</script>
<div id="problem_b58916841fd4487ab85d869b60cd4830" class="problems-wrapper" role="group"
aria-labelledby="b58916841fd4487ab85d869b60cd4830-problem-title"
data-problem-id="block-v1:MITx+16.885x+3T2019+type@problem+block@b58916841fd4487ab85d869b60cd4830" data-url="/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@problem+block@b58916841fd4487ab85d869b60cd4830/handler/xmodule_handler"
data-problem-score="0"
data-problem-total-possible="1"
data-attempts-used="0"
data-content="
<h3 class="hd hd-3 problem-header" id="b58916841fd4487ab85d869b60cd4830-problem-title" aria-describedby="block-v1:MITx+16.885x+3T2019+type@problem+block@b58916841fd4487ab85d869b60cd4830-problem-progress" tabindex="-1">
Question 4
</h3>
<div class="problem-progress" id="block-v1:MITx+16.885x+3T2019+type@problem+block@b58916841fd4487ab85d869b60cd4830-problem-progress"></div>
<div class="problem">
<div>
<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><div id="inputtype_b58916841fd4487ab85d869b60cd4830_2_1" class=" capa_inputtype textline">
<div class="unanswered ">
<label class="problem-group-label" for="input_b58916841fd4487ab85d869b60cd4830_2_1" id="label_b58916841fd4487ab85d869b60cd4830_2_1">The Space Shuttle&#8217;s Auxiliary Power Unit (APU) used ____________ as fuel.</label>
<p class="question-description" id="description_b58916841fd4487ab85d869b60cd4830_1_1">Be sure to check your spelling.</p>
<input type="text" name="input_b58916841fd4487ab85d869b60cd4830_2_1" id="input_b58916841fd4487ab85d869b60cd4830_2_1" aria-describedby="status_b58916841fd4487ab85d869b60cd4830_2_1 description_b58916841fd4487ab85d869b60cd4830_1_1" value="" size="20"/>
<span class="trailing_text" id="trailing_text_b58916841fd4487ab85d869b60cd4830_2_1"/>
<span class="status unanswered" id="status_b58916841fd4487ab85d869b60cd4830_2_1" data-tooltip="Not yet answered.">
<span class="sr">unanswered</span><span class="status-icon" aria-hidden="true"/>
</span>
<p id="answer_b58916841fd4487ab85d869b60cd4830_2_1" class="answer"/>
</div>
</div></div>
</div>
<div class="action">
<input type="hidden" name="problem_id" value="Question 4" />
<div class="submit-attempt-container">
<button type="button" class="submit btn-brand" data-submitting="Submitting" data-value="Submit" data-should-enable-submit-button="True" aria-describedby="submission_feedback_b58916841fd4487ab85d869b60cd4830" >
<span class="submit-label">Submit</span>
</button>
<div class="submission-feedback" id="submission_feedback_b58916841fd4487ab85d869b60cd4830">
<span class="sr">Some problems have options such as save, reset, hints, or show answer. These options follow the Submit button.</span>
</div>
</div>
<div class="problem-action-buttons-wrapper">
</div>
</div>
<div class="notification warning notification-gentle-alert
is-hidden"
tabindex="-1">
<span class="icon fa fa-exclamation-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="b58916841fd4487ab85d869b60cd4830-problem-title">
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification warning notification-save
is-hidden"
tabindex="-1">
<span class="icon fa fa-save" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="b58916841fd4487ab85d869b60cd4830-problem-title">None
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification general notification-show-answer
is-hidden"
tabindex="-1">
<span class="icon fa fa-info-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="b58916841fd4487ab85d869b60cd4830-problem-title">Answers are displayed within the problem
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
</div>
"
data-graded="True">
<p class="loading-spinner">
<i class="fa fa-spinner fa-pulse fa-2x fa-fw"></i>
<span class="sr">Loading…</span>
</p>
</div>
</div>
</div>
<div class="vert vert-4" data-id="block-v1:MITx+16.885x+3T2019+type@problem+block@54451044c1f5471299645d11267f1b54">
<div class="xblock xblock-public_view xblock-public_view-problem xmodule_display xmodule_ProblemBlock" data-block-type="problem" data-runtime-class="LmsRuntime" data-usage-id="block-v1:MITx+16.885x+3T2019+type@problem+block@54451044c1f5471299645d11267f1b54" data-course-id="course-v1:MITx+16.885x+3T2019" data-has-score="True" data-graded="True" data-runtime-version="1" data-init="XBlockToXModuleShim" data-request-token="1c268910038511efa5490afff417eba9">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Problem"}
</script>
<div id="problem_54451044c1f5471299645d11267f1b54" class="problems-wrapper" role="group"
aria-labelledby="54451044c1f5471299645d11267f1b54-problem-title"
data-problem-id="block-v1:MITx+16.885x+3T2019+type@problem+block@54451044c1f5471299645d11267f1b54" data-url="/courses/course-v1:MITx+16.885x+3T2019/xblock/block-v1:MITx+16.885x+3T2019+type@problem+block@54451044c1f5471299645d11267f1b54/handler/xmodule_handler"
data-problem-score="0"
data-problem-total-possible="1"
data-attempts-used="0"
data-content="
<h3 class="hd hd-3 problem-header" id="54451044c1f5471299645d11267f1b54-problem-title" aria-describedby="block-v1:MITx+16.885x+3T2019+type@problem+block@54451044c1f5471299645d11267f1b54-problem-progress" tabindex="-1">
Question 5
</h3>
<div class="problem-progress" id="block-v1:MITx+16.885x+3T2019+type@problem+block@54451044c1f5471299645d11267f1b54-problem-progress"></div>
<div class="problem">
<div>
<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><div id="formulaequationinput_54451044c1f5471299645d11267f1b54_2_1" class="inputtype formulaequationinput">
<div class="unanswered">
<label class="problem-group-label" for="input_54451044c1f5471299645d11267f1b54_2_1" id="label_54451044c1f5471299645d11267f1b54_2_1">For redundancy, the Space Shuttle had multiple APUs. How many?</label>
<input type="text" name="input_54451044c1f5471299645d11267f1b54_2_1" id="input_54451044c1f5471299645d11267f1b54_2_1" data-input-id="54451044c1f5471299645d11267f1b54_2_1" value="" aria-describedby="status_54451044c1f5471299645d11267f1b54_2_1" size="20"/>
<span class="trailing_text" id="trailing_text_54451044c1f5471299645d11267f1b54_2_1"/>
<span class="status unanswered" id="status_54451044c1f5471299645d11267f1b54_2_1" data-tooltip="Not yet answered.">
<span class="sr">unanswered</span><span class="status-icon" aria-hidden="true"/>
</span>
<p id="answer_54451044c1f5471299645d11267f1b54_2_1" class="answer"/>
<div id="input_54451044c1f5471299645d11267f1b54_2_1_preview" class="equation">
\(\)
<img src="/static/images/spinner.bc34f953403f.gif" class="loading" alt="Loading"/>
</div>
</div>
<div class="script_placeholder" data-src="/static/js/capa/src/formula_equation_preview.b1967ab28c31.js"/>
</div></div>
</div>
<div class="action">
<input type="hidden" name="problem_id" value="Question 5" />
<div class="submit-attempt-container">
<button type="button" class="submit btn-brand" data-submitting="Submitting" data-value="Submit" data-should-enable-submit-button="True" aria-describedby="submission_feedback_54451044c1f5471299645d11267f1b54" >
<span class="submit-label">Submit</span>
</button>
<div class="submission-feedback" id="submission_feedback_54451044c1f5471299645d11267f1b54">
<span class="sr">Some problems have options such as save, reset, hints, or show answer. These options follow the Submit button.</span>
</div>
</div>
<div class="problem-action-buttons-wrapper">
</div>
</div>
<div class="notification warning notification-gentle-alert
is-hidden"
tabindex="-1">
<span class="icon fa fa-exclamation-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="54451044c1f5471299645d11267f1b54-problem-title">
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification warning notification-save
is-hidden"
tabindex="-1">
<span class="icon fa fa-save" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="54451044c1f5471299645d11267f1b54-problem-title">None
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification general notification-show-answer
is-hidden"
tabindex="-1">
<span class="icon fa fa-info-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="54451044c1f5471299645d11267f1b54-problem-title">Answers are displayed within the problem
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
</div>
"
data-graded="True">
<p class="loading-spinner">
<i class="fa fa-spinner fa-pulse fa-2x fa-fw"></i>
<span class="sr">Loading…</span>
</p>
</div>
</div>
</div>
</div>
</div>
© All Rights Reserved