{"id":5703,"date":"2024-04-15T02:17:31","date_gmt":"2024-04-15T02:17:31","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=5703"},"modified":"2024-04-15T02:17:31","modified_gmt":"2024-04-15T02:17:31","slug":"if-the-tendon-is-placed-at-an-eccentricity-e-below-the-centroidal-axis-of-the-longitudinal-axis-of-a-rectangular-beam-sectional-modulus-z-and-stressed-load-p-in-tendon-the-stress-at-the-extreme-top","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/if-the-tendon-is-placed-at-an-eccentricity-e-below-the-centroidal-axis-of-the-longitudinal-axis-of-a-rectangular-beam-sectional-modulus-z-and-stressed-load-p-in-tendon-the-stress-at-the-extreme-top\/","title":{"rendered":"If the tendon is placed at an eccentricity e below the centroidal axis of the longitudinal axis of a rectangular beam (sectional modulus Z and stressed load P in tendon) the stress at the extreme top edge A. Is increased by $$\\frac{{{\\text{PZ}}}}{{\\text{e}}}$$ B. Is increased by $$\\frac{{{\\text{Pe}}}}{{\\text{Z}}}$$ C. Is decreased by $$\\frac{{{\\text{Pe}}}}{{\\text{Z}}}$$ D. Remains unchanged"},"content":{"rendered":"<p>\r\n    <!-- Check if it's an AMP page -->\r\n            <!-- Non-AMP version -->\r\n        <div class=\"mcq-container\" data-quiz-id=\"quizState_6a98a46f15ae4\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    Is increased by $$\frac{{{\text{PZ}}}}{{\text{e}}}$$                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"true\">\r\n                    Is increased by $$\frac{{{\text{Pe}}}}{{\text{Z}}}$$                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    Is decreased by $$\frac{{{\text{Pe}}}}{{\text{Z}}}$$                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    Remains unchanged                <\/div>\r\n                            \r\n            <!-- Feedback messages for non-AMP -->\r\n            <div class=\"feedback\" data-feedback=\"wrong\">Answer is Right!<\/div>\r\n            <div class=\"feedback\" data-feedback=\"right\">Answer is Wrong!<\/div>\r\n        <\/div>\r\n\r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var containers = document.querySelectorAll('.mcq-container');\r\n\r\n            containers.forEach(function(container) {\r\n                var options = container.querySelectorAll('.option');\r\n                var feedbackSelect = container.querySelector('[data-feedback=\"select\"]');\r\n                var feedbackWrong = container.querySelector('[data-feedback=\"wrong\"]');\r\n                var feedbackRight = container.querySelector('[data-feedback=\"right\"]');\r\n\r\n                options.forEach(function(option) {\r\n                    option.addEventListener('click', function() {\r\n                        var selectedOption = option.getAttribute('data-option-key');\r\n                        var isCorrect = option.getAttribute('data-is-correct') === 'true';\r\n\r\n                        \/\/ Remove previous selections\r\n                        options.forEach(function(opt) {\r\n                            opt.classList.remove('correct', 'incorrect');\r\n                        });\r\n\r\n                        \/\/ Add the correct\/incorrect class\r\n                        if (isCorrect) {\r\n                            option.classList.add('correct');\r\n                            feedbackRight.hidden = false;\r\n                            feedbackWrong.hidden = true;\r\n                        } else {\r\n                            option.classList.add('incorrect');\r\n                            feedbackRight.hidden = true;\r\n                            feedbackWrong.hidden = false;\r\n                        }\r\n\r\n                        \/\/ Hide select feedback\r\n                        feedbackSelect.hidden = true;\r\n                    });\r\n                });\r\n            });\r\n        });\r\n        <\/script>\r\n    \r\n    <!--more--><\/p>\n<p>The correct answer is: B. Is increased by $\\frac{{{\\text{Pe}}}}{{\\text{Z}}}$.<\/p>\n<p>The stress at the extreme top edge of a rectangular beam is given by the following equation:<\/p>\n<p>$$\\sigma = \\frac{{{\\text{Pe}}}}{{\\text{Z}}}$$<\/p>\n<p>where:<\/p>\n<ul>\n<li>$\\sigma$ is the stress at the extreme top edge<\/li>\n<li>$P$ is the stressed load in the tendon<\/li>\n<li>$e$ is the eccentricity of the tendon below the centroidal axis of the longitudinal axis of the beam<\/li>\n<li>$Z$ is the sectional modulus of the beam<\/li>\n<\/ul>\n<p>The eccentricity of the tendon causes <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div> the stress at the extreme top edge to be increased. This is because the tendon is applying a force that is not acting through the centroid of the beam. This causes the beam to bend, and the extreme top edge is in tension. The greater the eccentricity, the greater the stress at the extreme top edge.<\/p>\n<p>Option A is incorrect because it does not take into account the eccentricity of the tendon. <div class=\"youtube-subscribe-container\">\r\n        <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> Option C is incorrect because it does not take into account the sectional modulus of the beam. Option D is incorrect because the stress at the extreme top edge is increased, not decreased.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Join Our Telegram Channel Subscribe on YouTube<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[640],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>If the tendon is placed at an eccentricity e below the centroidal axis of the longitudinal axis of a rectangular beam (sectional modulus Z and stressed load P in tendon) the stress at the extreme top edge A. Is increased by $$\\frac{{{\\text{PZ}}}}{{\\text{e}}}$$ B. Is increased by $$\\frac{{{\\text{Pe}}}}{{\\text{Z}}}$$ C. Is decreased by $$\\frac{{{\\text{Pe}}}}{{\\text{Z}}}$$ D. 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Is increased by $$\\frac{{{\\text{PZ}}}}{{\\text{e}}}$$ B. Is increased by $$\\frac{{{\\text{Pe}}}}{{\\text{Z}}}$$ C. Is decreased by $$\\frac{{{\\text{Pe}}}}{{\\text{Z}}}$$ D. Remains unchanged","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/if-the-tendon-is-placed-at-an-eccentricity-e-below-the-centroidal-axis-of-the-longitudinal-axis-of-a-rectangular-beam-sectional-modulus-z-and-stressed-load-p-in-tendon-the-stress-at-the-extreme-top\/","og_locale":"en_US","og_type":"article","og_title":"If the tendon is placed at an eccentricity e below the centroidal axis of the longitudinal axis of a rectangular beam (sectional modulus Z and stressed load P in tendon) the stress at the extreme top edge A. Is increased by $$\\frac{{{\\text{PZ}}}}{{\\text{e}}}$$ B. Is increased by $$\\frac{{{\\text{Pe}}}}{{\\text{Z}}}$$ C. Is decreased by $$\\frac{{{\\text{Pe}}}}{{\\text{Z}}}$$ D. 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