{"id":5881,"date":"2024-04-15T02:20:21","date_gmt":"2024-04-15T02:20:21","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=5881"},"modified":"2024-04-15T02:20:21","modified_gmt":"2024-04-15T02:20:21","slug":"in-a-singly-reinforced-beam-a-compression-is-borne-entirely-by-concrete-b-steel-possesses-initial-stresses-when-embedded-in-concrete-c-plane-sections-transverse-to-the-centre-line-of-the-beam-befor","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/in-a-singly-reinforced-beam-a-compression-is-borne-entirely-by-concrete-b-steel-possesses-initial-stresses-when-embedded-in-concrete-c-plane-sections-transverse-to-the-centre-line-of-the-beam-befor\/","title":{"rendered":"In a singly reinforced beam A. Compression is borne entirely by concrete B. Steel possesses initial stresses when embedded in concrete C. Plane sections transverse to the centre line of the beam before bending remain plane after bending D. Elastic moduli for concrete and steel have different values within the limits of deformation of the beam"},"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_6a9887f9ce76a\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    Compression is borne entirely by concrete                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    Steel possesses initial stresses when embedded in concrete                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"true\">\r\n                    Plane sections transverse to the centre line of the beam before bending remain plane after bending                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    Elastic moduli for concrete and steel have different values within the limits of deformation of the beam                <\/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: <strong>C. Plane sections transverse to the centre line of the beam before bending remain plane after bending<\/strong>.<\/p>\n<p>This is known as the Bernoulli principle of beam bending. It states that, in the elastic range, plane sections before bending remain plane after bending. In other words, the cross-section of a beam does not change shape when it is bent. This principle is used to calculate the stresses and strains in a beam.<\/p>\n<p>The other options are incorrect.<\/p>\n<ul>\n<li>Option A <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> is incorrect because compression is not <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> borne entirely by concrete. Steel also bears some of the compression.<\/li>\n<li>Option B is incorrect because steel does not possess initial stresses when embedded in concrete. The stresses in the steel are zero when the beam is first loaded.<\/li>\n<li>Option D is incorrect because the elastic moduli for concrete and steel are not the same. The elastic modulus of concrete is much lower than the elastic modulus of steel.<\/li>\n<\/ul>\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>In a singly reinforced beam A. Compression is borne entirely by concrete B. Steel possesses initial stresses when embedded in concrete C. Plane sections transverse to the centre line of the beam before bending remain plane after bending D. Elastic moduli for concrete and steel have different values within the limits of deformation of the beam<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/in-a-singly-reinforced-beam-a-compression-is-borne-entirely-by-concrete-b-steel-possesses-initial-stresses-when-embedded-in-concrete-c-plane-sections-transverse-to-the-centre-line-of-the-beam-befor\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"In a singly reinforced beam A. Compression is borne entirely by concrete B. Steel possesses initial stresses when embedded in concrete C. 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Elastic moduli for concrete and steel have different values within the limits of deformation of the beam","og_description":"Subscribe on YouTube","og_url":"https:\/\/exam.pscnotes.com\/mcq\/in-a-singly-reinforced-beam-a-compression-is-borne-entirely-by-concrete-b-steel-possesses-initial-stresses-when-embedded-in-concrete-c-plane-sections-transverse-to-the-centre-line-of-the-beam-befor\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2024-04-15T02:20:21+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/in-a-singly-reinforced-beam-a-compression-is-borne-entirely-by-concrete-b-steel-possesses-initial-stresses-when-embedded-in-concrete-c-plane-sections-transverse-to-the-centre-line-of-the-beam-befor\/","url":"https:\/\/exam.pscnotes.com\/mcq\/in-a-singly-reinforced-beam-a-compression-is-borne-entirely-by-concrete-b-steel-possesses-initial-stresses-when-embedded-in-concrete-c-plane-sections-transverse-to-the-centre-line-of-the-beam-befor\/","name":"In a singly reinforced beam A. Compression is borne entirely by concrete B. Steel possesses initial stresses when embedded in concrete C. Plane sections transverse to the centre line of the beam before bending remain plane after bending D. 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