{"id":75532,"date":"2025-05-01T14:27:03","date_gmt":"2025-05-01T14:27:03","guid":{"rendered":"https:\/\/cwc.ca\/?post_type=mpcs-quiz&#038;p=75532"},"modified":"2025-07-14T14:20:22","modified_gmt":"2025-07-14T14:20:22","slug":"lesson-4-assessment-3","status":"publish","type":"mpcs-quiz","link":"https:\/\/cwc.ca\/fr\/courses\/sizer-course-us\/quizzes\/lecon-4-evaluation-3\/","title":{"rendered":"Le\u00e7on 4 \u00c9valuation"},"content":{"rendered":"\n<p>Difficulty Level: 1\/5<\/p>\n\n\n\n<p>Estimated Time to Complete: 15 minutes<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><em>Problem Statement: Joist Bearing Length Design*<\/em><\/h2>\n\n\n\n<p>The goal of this assignment is to determine the <strong>minimum bearing length<\/strong> required for single-span floor joists based on the given structural loading conditions and material properties.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Given Data:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Joist Type &amp;\u00a0 [Grade]: S-P-F\u00a0 sawn lumber [No.1\/No.2]<\/li>\n\n\n\n<li>Joist Size: 2\u201d \u00d7 8\u201d<\/li>\n\n\n\n<li>Joist Span: 10\u2019<\/li>\n\n\n\n<li>Joist Spacing: 16\u201d (center-to-center)<\/li>\n\n\n\n<li>Specified Dead Load: 30 psf (includes partitions)<\/li>\n\n\n\n<li>Specified Live Load: 50 psf (commercial use and occupancy)<\/li>\n\n\n\n<li>Load Duration: Standard<\/li>\n\n\n\n<li>Service Condition: Dry<\/li>\n\n\n\n<li>Lateral Support: Fully supported by Douglas fir plywood (DFP) subfloor<\/li>\n\n\n\n<li>Bearing support: Beam, Timber-soft material, S-P-F No.2<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Design Requirement:<\/h3>\n\n\n\n<p>Use the software to determine the <strong>minimum bearing length required at the supports<\/strong>, considering the <strong>compression perpendicular to grain capacity<\/strong> of <strong>S-P-F No.1\/No.2<\/strong> lumber to ensure structural adequacy under the applied loads.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><em>Select the most appropriate answer based on the software output and standard design requirements.<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Question 1<\/h3>\n\n\n<fieldset id=\"mpcs-quiz-question-481\" class=\"mpcs-quiz-question mpcs-quiz-question-multiple-choice\">\n    <legend class=\"mpcs-quiz-question-label\">\n                        What is the correct minimum bearing length required?                            <span class=\"mpcs-quiz-question-required\">*<\/span>\n                <\/legend>\n    <div class=\"mpcs-quiz-question-input\">\n        <div class=\"mpcs-quiz-question-options\">\n                                                <div class=\"mpcs-quiz-question-option\">\n                        <input type=\"radio\" id=\"mpcs-quiz-question-field-481-1\" class=\"mpcs-quiz-question-field mpcs-quiz-question-field-multiple-choice\" aria-describedby=\"mpcs-quiz-question-error-inner-481\" data-question-id=\"481\" name=\"mpcs_quiz_question_481\" value=\"1 ft\" >\n                        <label for=\"mpcs-quiz-question-field-481-1\">\n                            <i class=\"mpcs-radio-checked\"><\/i>\n                            <i class=\"mpcs-radio-unchecked\"><\/i>\n                        <\/label>\n                        <label for=\"mpcs-quiz-question-field-481-1\" class=\"mpcs-quiz-question-option-label\">1 ft<\/label>\n                                            <\/div>\n                                    <div class=\"mpcs-quiz-question-option\">\n                        <input type=\"radio\" id=\"mpcs-quiz-question-field-481-2\" class=\"mpcs-quiz-question-field mpcs-quiz-question-field-multiple-choice\" aria-describedby=\"mpcs-quiz-question-error-inner-481\" data-question-id=\"481\" name=\"mpcs_quiz_question_481\" value=\"0.84&quot;\" >\n                        <label for=\"mpcs-quiz-question-field-481-2\">\n                            <i class=\"mpcs-radio-checked\"><\/i>\n                            <i class=\"mpcs-radio-unchecked\"><\/i>\n                        <\/label>\n                        <label for=\"mpcs-quiz-question-field-481-2\" class=\"mpcs-quiz-question-option-label\">0.84&quot;<\/label>\n                                            <\/div>\n                                    <div class=\"mpcs-quiz-question-option\">\n                        <input type=\"radio\" id=\"mpcs-quiz-question-field-481-3\" class=\"mpcs-quiz-question-field mpcs-quiz-question-field-multiple-choice\" aria-describedby=\"mpcs-quiz-question-error-inner-481\" data-question-id=\"481\" name=\"mpcs_quiz_question_481\" value=\"4&quot;\" >\n                        <label for=\"mpcs-quiz-question-field-481-3\">\n                            <i class=\"mpcs-radio-checked\"><\/i>\n                            <i class=\"mpcs-radio-unchecked\"><\/i>\n                        <\/label>\n                        <label for=\"mpcs-quiz-question-field-481-3\" class=\"mpcs-quiz-question-option-label\">4&quot;<\/label>\n                                            <\/div>\n                                    <div class=\"mpcs-quiz-question-option\">\n                        <input type=\"radio\" id=\"mpcs-quiz-question-field-481-4\" class=\"mpcs-quiz-question-field mpcs-quiz-question-field-multiple-choice\" aria-describedby=\"mpcs-quiz-question-error-inner-481\" data-question-id=\"481\" name=\"mpcs_quiz_question_481\" value=\"0.2&quot;\" >\n                        <label for=\"mpcs-quiz-question-field-481-4\">\n                            <i class=\"mpcs-radio-checked\"><\/i>\n                            <i class=\"mpcs-radio-unchecked\"><\/i>\n                        <\/label>\n                        <label for=\"mpcs-quiz-question-field-481-4\" class=\"mpcs-quiz-question-option-label\">0.2&quot;<\/label>\n                                            <\/div>\n                                    <\/div>\n    <\/div>\n    <\/fieldset>\n\n\n\n<p><\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_mpcs_lesson_require_passing_score":true,"_mpcs_lesson_passing_score_unit":"percent","_mpcs_lesson_passing_score":75,"_mpcs_lesson_failed_message":"You must score 100% on this quiz. Please try again. 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