{"id":5921,"date":"2024-04-15T02:21:03","date_gmt":"2024-04-15T02:21:03","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=5921"},"modified":"2024-04-15T02:21:03","modified_gmt":"2024-04-15T02:21:03","slug":"if-the-permissible-stress-in-steel-in-tension-is-140-n-mm2-then-the-depth-of-neutral-axis-for-a-singly-reinforced-rectangular-balanced-section-will-be-a-0-35-d-b-0-40-d-c-0-45-d-d-dependent-on-gr","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/if-the-permissible-stress-in-steel-in-tension-is-140-n-mm2-then-the-depth-of-neutral-axis-for-a-singly-reinforced-rectangular-balanced-section-will-be-a-0-35-d-b-0-40-d-c-0-45-d-d-dependent-on-gr\/","title":{"rendered":"If the permissible stress in steel in tension is 140 N\/mm2, then the depth of neutral axis for a singly reinforced rectangular balanced section will be A. 0.35 d B. 0.40 d C. 0.45 d D. Dependent on grade of concrete also"},"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_6a9ae91d3fc41\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"true\">\r\n                    0.35 d                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    0.40 d                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    0.45 d                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    Dependent on grade of concrete also                <\/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 A. 0.35 d.<\/p>\n<p>The depth of the neutral axis is the distance from the top of the beam to the neutral axis, where the tensile and compressive stresses are equal. The depth of the neutral axis can be calculated using the following formula:<\/p>\n<p>$d_n = \\frac{0.577b}{f_y}$<\/p>\n<p>where:<\/p>\n<ul>\n<li>$d_n$ is the depth of <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  <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>           <\/span>\r\n            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> the neutral axis<\/li>\n<li>$b$ is the width of the beam<\/li>\n<li>$f_y$ is the yield stress of the steel<\/li>\n<\/ul>\n<p>For a singly reinforced rectangular balanced section, the permissible stress in steel in tension is 140 N\/mm2. Substituting this value into the formula, we get:<\/p>\n<p>$d_n = \\frac{0.577b}{140}$<\/p>\n<p>$d_n = 0.35d$<\/p>\n<p>Therefore, the depth of the neutral axis for a singly reinforced rectangular balanced section is 0.35 d.<\/p>\n<p>Option B is incorrect because the depth of the neutral axis is not equal to 0.40 d. Option C is incorrect because the depth of the neutral axis is not equal to 0.45 d. Option D is incorrect because the depth of the neutral axis is not dependent on the grade of concrete.<\/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":[641],"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 permissible stress in steel in tension is 140 N\/mm2, then the depth of neutral axis for a singly reinforced rectangular balanced section will be A. 0.35 d B. 0.40 d C. 0.45 d D. 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