{"id":5882,"date":"2024-04-15T02:20:22","date_gmt":"2024-04-15T02:20:22","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=5882"},"modified":"2024-04-15T02:20:22","modified_gmt":"2024-04-15T02:20:22","slug":"if-the-depth-of-actual-neutral-axis-of-a-doubly-reinforced-beam-a-is-greater-than-the-depth-of-critical-neutral-axis-the-concrete-attains-its-maximum-stress-earlier-b-is-less-than-the-depth-of-crit","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/if-the-depth-of-actual-neutral-axis-of-a-doubly-reinforced-beam-a-is-greater-than-the-depth-of-critical-neutral-axis-the-concrete-attains-its-maximum-stress-earlier-b-is-less-than-the-depth-of-crit\/","title":{"rendered":"If the depth of actual neutral axis of a doubly reinforced beam A. Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier B. Is less than the depth of critical neutral axis, the steel in the tensile zone attains its maximum stress earlier C. Is equal to the depth of critical neutral axis; the concrete and steel attain their maximum stresses simultaneously D. All the above"},"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_6a989454be875\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    Is less than the depth of critical neutral axis, the steel in the tensile zone attains its maximum stress earlier                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"true\">\r\n                    Is equal to the depth of critical neutral axis; the concrete and steel attain their maximum stresses simultaneously                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    All the above                <\/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. Is equal to the depth of critical neutral axis; the concrete and steel attain their maximum stresses simultaneously<\/strong>.<\/p>\n<p>The depth of the neutral axis is the point in a beam where the strain is zero. The critical neutral axis is the depth of the neutral axis when the beam is just on the verge of failure.<\/p>\n<p>In a doubly reinforced beam, the concrete and steel are both under tension. The concrete has a lower modulus of elasticity than the steel, so it will reach its maximum <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               <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>  <\/svg>\r\n            <\/span>\r\n            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> stress at a lower strain than the steel. The steel will continue to stretch until it reaches its yield stress, while the concrete will continue to crack and lose its load-bearing capacity.<\/p>\n<p>If the depth of the actual neutral axis is equal to the depth of the critical neutral axis, then the concrete and steel will reach their maximum stresses simultaneously. This is the ideal situation, as it means that the beam will be able to carry the maximum load without failing.<\/p>\n<p>If the depth of the actual neutral axis is greater than the depth of the critical neutral axis, then the concrete will reach its maximum stress before the steel. This means that the steel will still have some load-bearing capacity left when the concrete fails. This is not ideal, as it means that the beam will have a lower load-carrying capacity.<\/p>\n<p>If the depth of the actual neutral axis is less than the depth of the critical neutral axis, then the steel will reach its maximum stress before the concrete. This means that the concrete will still have some load-bearing capacity left when the steel fails. This is also not ideal, as it means that the beam will have a lower load-carrying capacity.<\/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 depth of actual neutral axis of a doubly reinforced beam A. Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier B. Is less than the depth of critical neutral axis, the steel in the tensile zone attains its maximum stress earlier C. 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