<div class="xblock xblock-public_view xblock-public_view-vertical" data-graded="True" data-init="VerticalStudentView" data-has-score="False" data-block-type="vertical" data-course-id="course-v1:MITx+22.011x+3T2018" data-usage-id="block-v1:MITx+22.011x+3T2018+type@vertical+block@0f996ac7baae43be8cbbfaa0ee9420d5" data-request-token="f1579e565aad11efb70f0affdd549e9b" data-runtime-class="LmsRuntime" data-runtime-version="1">
<h2 class="hd hd-2 unit-title">2.1.4. Video Lecture</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+22.011x+3T2018+type@video+block@22b9f3b0c13940c5bf4a65a63a5e0693">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-graded="True" data-init="XBlockToXModuleShim" data-has-score="False" data-block-type="video" data-course-id="course-v1:MITx+22.011x+3T2018" data-usage-id="block-v1:MITx+22.011x+3T2018+type@video+block@22b9f3b0c13940c5bf4a65a63a5e0693" data-request-token="f1579e565aad11efb70f0affdd549e9b" data-runtime-class="LmsRuntime" data-runtime-version="1">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">Video</h3>
<div
id="video_22b9f3b0c13940c5bf4a65a63a5e0693"
class="video closed"
data-metadata='{"saveStateEnabled": false, "publishCompletionUrl": "/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@22b9f3b0c13940c5bf4a65a63a5e0693/handler/publish_completion", "end": 0.0, "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@22b9f3b0c13940c5bf4a65a63a5e0693/handler/transcript/available_translations", "autohideHtml5": false, "autoAdvance": false, "speed": null, "completionEnabled": false, "prioritizeHls": false, "transcriptLanguage": "en", "ytMetadataEndpoint": "", "completionPercentage": 0.95, "showCaptions": "true", "captionDataDir": null, "generalSpeed": 1.0, "lmsRootURL": "https://openlearninglibrary.mit.edu", "ytApiUrl": "https://www.youtube.com/iframe_api", "sources": ["https://d2f1egay8yehza.cloudfront.net/MITx22.011x-V000500/MITx22.011x-V000500.m3u8", "https://d2f1egay8yehza.cloudfront.net/MITx22.011x-V000500_DTH.mp4"], "transcriptTranslationUrl": "/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@22b9f3b0c13940c5bf4a65a63a5e0693/handler/transcript/translation/__lang__", "poster": "https://mitx-edx-video-meta-storage.s3.amazonaws.com/media/video-images/0914291de3f94367a13b3d2f6fe8c5a4.png?x-amz-security-token=IQoJb3JpZ2luX2VjENP%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCXVzLWVhc3QtMSJIMEYCIQCIdH%2Fwdj%2Ft2WH1hC6FC1zRybDNRxYZdEiVlMK83hNQaAIhAN6Y8RQA3n6VFMuTQ2YLZkpIiW9i5xk%2Fn0MkcfLUm0rLKsQFCMv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQAxoMODU5MjA1NjM3NDExIgypEL%2BzB7gRrKygkpsqmAVR84a8aR97ZAf5iN1h8vACMxjSwMPHSQ9ZeQZ2rcNdX3hXW7GLg6U8Wal%2FAxeXim4JTil83gt9mE2RfTgyvuGocZ3DeafDnI1ufw8Oee5PtNN0CdROth87DkHDgqGas0iA82%2Fe1nS%2FvOr21%2Bm%2FQnGz7Du%2FF%2FrbYs%2FS7a2%2F7q%2F%2FVUiqbOAZcaNoThS0CLPPFJyE8aA85hx9G6PEBBpACFTVwd0Jd1d%2Flz7FZozv0D4c%2FnUa6fmA2%2BlSWSLeYsPSoxFLs58v8IxXjpaViwonA7y%2FYBR68LWabfEPDQQKPt4sRiu1ODiPQmCauOEst3T12uecmAFG15rgpKXazpZmGBFuE99fy2UhPzOgzHsRviuS6b8CXuORAzxEH69bzkp%2B0vM11GxU1OdTzUxxq1%2FYn07bVUtxKFvi5c4MxobmUDKoLrzM%2BSK%2Bp7pZEI9SwOPDQNtTbwlv%2BPtW3RJ2VOQqJXBlx5UZOnARzD%2FnhPb1gxAyMzuUczxmtDZioNgC9xGaWUJ%2FHihgef0VTnUgm2JRZTd2%2FKOpQv9frIl3AwG0%2FS9Pae9nU5x9FdePHht74y1vJ9BreepB04hiFCY%2BpwsLuPk%2BGdjMOcMFEw7x7mO9JDhV%2BihThpD9ZYgQ4UKyqxEMDtyGBvqET%2BabmIufz%2B9Z3%2Fup3pKMxFZQ3htqxbT7%2Fj1g4qYYpLh3Y5LAwJV%2Fz74Q%2BI0GmrptCpHdXxFLg99Wawjk6IRq1nfWl7b493e9DgZYGO7V9%2Bt7lXn18D3Rsg0p5aVo2%2Bb5RFlMRfm%2F7O3M3eKdi3I82epS0WrP3Ds1f14A1FMGaNHGoKKeiBhIJz0hoJx8sDdk%2B7%2BD8jodJVkF42oJo6x6dOgq7lMvHLS3rUVY0HpNlz%2BLFeodMPTH9bUGOrABnSKAl%2FFcfLqmJ2LcUdcpORwj2iRqk5QQ6%2BUxajHqSO9pHLsvLzzM7fNzSxI7aBj9Dsi7hUShLZDDGgwlt56JiWI%2FqOMLuM4xVqDTLw%2FVxsffNxFzXyDb3n6uoOj1J36YTrkWZcybhoK3evF1lAUYFFaSWq1B5R4UkoRZs93RgtsrSl0C3UNow%2F%2BWK%2FimJ4FbwWhhoX%2BgeTmLbqxx3REg9SXyuVGAXAUp3rgKedLaca0%3D&Expires=1723689160&AWSAccessKeyId=ASIA4QDFFSURRFWHISU4&Signature=elQ4sFTxsILnsLyZg7J8YzTDzzo%3D", "recordedYoutubeIsAvailable": true, "ytTestTimeout": 1500, "transcriptLanguages": {"en": "English"}, "streams": "1.00:BEHer8NOGEE", "savedVideoPosition": 0.0, "duration": 336.42, "saveStateUrl": "/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@22b9f3b0c13940c5bf4a65a63a5e0693/handler/xmodule_handler/save_user_state", "start": 0.0, "autoplay": false}'
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="22b9f3b0c13940c5bf4a65a63a5e0693"></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_22b9f3b0c13940c5bf4a65a63a5e0693">Downloads and transcripts</h3>
<div class="wrapper-downloads" role="region" aria-labelledby="video-download-transcripts_22b9f3b0c13940c5bf4a65a63a5e0693">
<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+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@22b9f3b0c13940c5bf4a65a63a5e0693/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+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@22b9f3b0c13940c5bf4a65a63a5e0693/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-graded="True" data-init="VerticalStudentView" data-has-score="False" data-block-type="vertical" data-course-id="course-v1:MITx+22.011x+3T2018" data-usage-id="block-v1:MITx+22.011x+3T2018+type@vertical+block@7a6dbb839de6411cae9450858c8ad1d3" data-request-token="f1579e565aad11efb70f0affdd549e9b" data-runtime-class="LmsRuntime" data-runtime-version="1">
<h2 class="hd hd-2 unit-title">2.1.4. Required Assessment</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+22.011x+3T2018+type@problem+block@9cd14b94f5924e7b837c3b92793a70a8">
<div class="xblock xblock-public_view xblock-public_view-problem xmodule_display xmodule_ProblemBlock" data-graded="True" data-init="XBlockToXModuleShim" data-has-score="True" data-block-type="problem" data-course-id="course-v1:MITx+22.011x+3T2018" data-usage-id="block-v1:MITx+22.011x+3T2018+type@problem+block@9cd14b94f5924e7b837c3b92793a70a8" data-request-token="f1579e565aad11efb70f0affdd549e9b" data-runtime-class="LmsRuntime" data-runtime-version="1">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Problem"}
</script>
<div id="problem_9cd14b94f5924e7b837c3b92793a70a8" class="problems-wrapper" role="group"
aria-labelledby="9cd14b94f5924e7b837c3b92793a70a8-problem-title"
data-problem-id="block-v1:MITx+22.011x+3T2018+type@problem+block@9cd14b94f5924e7b837c3b92793a70a8" data-url="/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@problem+block@9cd14b94f5924e7b837c3b92793a70a8/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="9cd14b94f5924e7b837c3b92793a70a8-problem-title" aria-describedby="block-v1:MITx+22.011x+3T2018+type@problem+block@9cd14b94f5924e7b837c3b92793a70a8-problem-progress" tabindex="-1">
Assessment 1
</h3>
<div class="problem-progress" id="block-v1:MITx+22.011x+3T2018+type@problem+block@9cd14b94f5924e7b837c3b92793a70a8-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_9cd14b94f5924e7b837c3b92793a70a8_2_1">
<fieldset aria-describedby="status_9cd14b94f5924e7b837c3b92793a70a8_2_1 description_9cd14b94f5924e7b837c3b92793a70a8_1_1">
<legend id="9cd14b94f5924e7b837c3b92793a70a8_2_1-legend" class="response-fieldset-legend field-group-hd">Why can a PWR not operate with the water coolant at atmospheric pressure?</legend>
<p class="question-description" id="description_9cd14b94f5924e7b837c3b92793a70a8_1_1">Please select all that apply </p>
<div class="field">
<input type="checkbox" name="input_9cd14b94f5924e7b837c3b92793a70a8_2_1[]" id="input_9cd14b94f5924e7b837c3b92793a70a8_2_1_choice_0" class="field-input input-checkbox" value="choice_0"/><label id="9cd14b94f5924e7b837c3b92793a70a8_2_1-choice_0-label" for="input_9cd14b94f5924e7b837c3b92793a70a8_2_1_choice_0" class="response-label field-label label-inline" aria-describedby="status_9cd14b94f5924e7b837c3b92793a70a8_2_1 description_9cd14b94f5924e7b837c3b92793a70a8_1_1"> If the PWR operated at low pressure, the water coolant would easily boil in the core
</label>
</div>
<div class="field">
<input type="checkbox" name="input_9cd14b94f5924e7b837c3b92793a70a8_2_1[]" id="input_9cd14b94f5924e7b837c3b92793a70a8_2_1_choice_1" class="field-input input-checkbox" value="choice_1"/><label id="9cd14b94f5924e7b837c3b92793a70a8_2_1-choice_1-label" for="input_9cd14b94f5924e7b837c3b92793a70a8_2_1_choice_1" class="response-label field-label label-inline" aria-describedby="status_9cd14b94f5924e7b837c3b92793a70a8_2_1 description_9cd14b94f5924e7b837c3b92793a70a8_1_1"> Operating at \(1 atm\) would limit reactor coolant and steam turbine temperatures to less than \(100 C\), thus realizing a very low thermal efficiency
</label>
</div>
<div class="field">
<input type="checkbox" name="input_9cd14b94f5924e7b837c3b92793a70a8_2_1[]" id="input_9cd14b94f5924e7b837c3b92793a70a8_2_1_choice_2" class="field-input input-checkbox" value="choice_2"/><label id="9cd14b94f5924e7b837c3b92793a70a8_2_1-choice_2-label" for="input_9cd14b94f5924e7b837c3b92793a70a8_2_1_choice_2" class="response-label field-label label-inline" aria-describedby="status_9cd14b94f5924e7b837c3b92793a70a8_2_1 description_9cd14b94f5924e7b837c3b92793a70a8_1_1"> It is hard to design a reactor vessel that can take atmospheric pressure
</label>
</div>
<span id="answer_9cd14b94f5924e7b837c3b92793a70a8_2_1"/>
</fieldset>
<div class="indicator-container">
<span class="status unanswered" id="status_9cd14b94f5924e7b837c3b92793a70a8_2_1" data-tooltip="Not yet answered.">
<span class="sr">unanswered</span><span class="status-icon" aria-hidden="true"/>
</span>
</div>
</div></div>
</div>
<div class="action">
<input type="hidden" name="problem_id" value="Assessment 1" />
<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_9cd14b94f5924e7b837c3b92793a70a8" >
<span class="submit-label">Submit</span>
</button>
<div class="submission-feedback" id="submission_feedback_9cd14b94f5924e7b837c3b92793a70a8">
<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="9cd14b94f5924e7b837c3b92793a70a8-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="9cd14b94f5924e7b837c3b92793a70a8-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="9cd14b94f5924e7b837c3b92793a70a8-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+22.011x+3T2018+type@problem+block@6cead109d89d4108ab3221a4e8297efb">
<div class="xblock xblock-public_view xblock-public_view-problem xmodule_display xmodule_ProblemBlock" data-graded="True" data-init="XBlockToXModuleShim" data-has-score="True" data-block-type="problem" data-course-id="course-v1:MITx+22.011x+3T2018" data-usage-id="block-v1:MITx+22.011x+3T2018+type@problem+block@6cead109d89d4108ab3221a4e8297efb" data-request-token="f1579e565aad11efb70f0affdd549e9b" data-runtime-class="LmsRuntime" data-runtime-version="1">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Problem"}
</script>
<div id="problem_6cead109d89d4108ab3221a4e8297efb" class="problems-wrapper" role="group"
aria-labelledby="6cead109d89d4108ab3221a4e8297efb-problem-title"
data-problem-id="block-v1:MITx+22.011x+3T2018+type@problem+block@6cead109d89d4108ab3221a4e8297efb" data-url="/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@problem+block@6cead109d89d4108ab3221a4e8297efb/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="6cead109d89d4108ab3221a4e8297efb-problem-title" aria-describedby="block-v1:MITx+22.011x+3T2018+type@problem+block@6cead109d89d4108ab3221a4e8297efb-problem-progress" tabindex="-1">
Assessment 2
</h3>
<div class="problem-progress" id="block-v1:MITx+22.011x+3T2018+type@problem+block@6cead109d89d4108ab3221a4e8297efb-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_6cead109d89d4108ab3221a4e8297efb_2_1">
<fieldset aria-describedby="status_6cead109d89d4108ab3221a4e8297efb_2_1 description_6cead109d89d4108ab3221a4e8297efb_1_1">
<legend id="6cead109d89d4108ab3221a4e8297efb_2_1-legend" class="response-fieldset-legend field-group-hd">Why does uranium have to be &#8216;enriched&#8217; in U-235 for use in a LWR?</legend>
<p class="question-description" id="description_6cead109d89d4108ab3221a4e8297efb_1_1">Please select all that apply </p>
<div class="field">
<input type="checkbox" name="input_6cead109d89d4108ab3221a4e8297efb_2_1[]" id="input_6cead109d89d4108ab3221a4e8297efb_2_1_choice_0" class="field-input input-checkbox" value="choice_0"/><label id="6cead109d89d4108ab3221a4e8297efb_2_1-choice_0-label" for="input_6cead109d89d4108ab3221a4e8297efb_2_1_choice_0" class="response-label field-label label-inline" aria-describedby="status_6cead109d89d4108ab3221a4e8297efb_2_1 description_6cead109d89d4108ab3221a4e8297efb_1_1"> It is cheaper than natural uranium
</label>
</div>
<div class="field">
<input type="checkbox" name="input_6cead109d89d4108ab3221a4e8297efb_2_1[]" id="input_6cead109d89d4108ab3221a4e8297efb_2_1_choice_1" class="field-input input-checkbox" value="choice_1"/><label id="6cead109d89d4108ab3221a4e8297efb_2_1-choice_1-label" for="input_6cead109d89d4108ab3221a4e8297efb_2_1_choice_1" class="response-label field-label label-inline" aria-describedby="status_6cead109d89d4108ab3221a4e8297efb_2_1 description_6cead109d89d4108ab3221a4e8297efb_1_1"> It makes up for increased neutron absorptions in the water coolant/moderator
</label>
</div>
<div class="field">
<input type="checkbox" name="input_6cead109d89d4108ab3221a4e8297efb_2_1[]" id="input_6cead109d89d4108ab3221a4e8297efb_2_1_choice_2" class="field-input input-checkbox" value="choice_2"/><label id="6cead109d89d4108ab3221a4e8297efb_2_1-choice_2-label" for="input_6cead109d89d4108ab3221a4e8297efb_2_1_choice_2" class="response-label field-label label-inline" aria-describedby="status_6cead109d89d4108ab3221a4e8297efb_2_1 description_6cead109d89d4108ab3221a4e8297efb_1_1"> It increases the number of neutrons per fission
</label>
</div>
<div class="field">
<input type="checkbox" name="input_6cead109d89d4108ab3221a4e8297efb_2_1[]" id="input_6cead109d89d4108ab3221a4e8297efb_2_1_choice_3" class="field-input input-checkbox" value="choice_3"/><label id="6cead109d89d4108ab3221a4e8297efb_2_1-choice_3-label" for="input_6cead109d89d4108ab3221a4e8297efb_2_1_choice_3" class="response-label field-label label-inline" aria-describedby="status_6cead109d89d4108ab3221a4e8297efb_2_1 description_6cead109d89d4108ab3221a4e8297efb_1_1"> It ensures the reactor can run longer before needing to be refueled
</label>
</div>
<span id="answer_6cead109d89d4108ab3221a4e8297efb_2_1"/>
</fieldset>
<div class="indicator-container">
<span class="status unanswered" id="status_6cead109d89d4108ab3221a4e8297efb_2_1" data-tooltip="Not yet answered.">
<span class="sr">unanswered</span><span class="status-icon" aria-hidden="true"/>
</span>
</div>
</div></div>
</div>
<div class="action">
<input type="hidden" name="problem_id" value="Assessment 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_6cead109d89d4108ab3221a4e8297efb" >
<span class="submit-label">Submit</span>
</button>
<div class="submission-feedback" id="submission_feedback_6cead109d89d4108ab3221a4e8297efb">
<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="6cead109d89d4108ab3221a4e8297efb-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="6cead109d89d4108ab3221a4e8297efb-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="6cead109d89d4108ab3221a4e8297efb-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