{"id":6639,"date":"2024-04-15T02:31:54","date_gmt":"2024-04-15T02:31:54","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=6639"},"modified":"2024-04-15T02:31:54","modified_gmt":"2024-04-15T02:31:54","slug":"the-constituent-of-cement-which-is-responsible-for-all-the-undesirable-properties-of-cement-is-a-di-calcium-silicate-b-tri-calcium-silicate-c-tri-calcium-aluminate-d-tetra-calcium-alumino-ferrite","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-constituent-of-cement-which-is-responsible-for-all-the-undesirable-properties-of-cement-is-a-di-calcium-silicate-b-tri-calcium-silicate-c-tri-calcium-aluminate-d-tetra-calcium-alumino-ferrite\/","title":{"rendered":"The constituent of cement which is responsible for all the undesirable properties of cement is A. Di-calcium silicate B. Tri-calcium silicate C. Tri-calcium aluminate D. Tetra calcium alumino ferrite"},"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_6a9b358811e0e\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    Di-calcium silicate                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    Tri-calcium silicate                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"true\">\r\n                    Tri-calcium aluminate                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    Tetra calcium alumino ferrite                <\/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. Tri-calcium aluminate<\/strong><\/p>\n<p>Tri-calcium aluminate (C3A) is the constituent of cement which is responsible for all the undesirable properties of cement. It is the most reactive of the four main cement minerals, and it is responsible for the early strength development of cement. However, it is also the most unstable mineral, and it is responsible for the expansion and cracking of concrete that is exposed to sulfates.<\/p>\n<p>Di-calcium silicate (C2S) is the second most reactive of the four main cement minerals. It is responsible for the later strength development of cement. It is <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> also less reactive than C3A, and it is not as susceptible to sulfate attack.<\/p>\n<p>Tri-calcium silicate (C3S) is the most abundant of the four main cement minerals. It is responsible for the initial setting and hardening of cement. It is also less reactive than C3A, and it is <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> not as susceptible to sulfate attack.<\/p>\n<p>Tetra calcium alumino ferrite (C4AF) is the least reactive of the four main cement minerals. It is responsible for the long-term strength development of cement. It is also the most stable mineral, and it is not susceptible to sulfate attack.<\/p>\n<p>In conclusion, tri-calcium aluminate (C3A) is the constituent of cement which is responsible for all the undesirable properties of cement. It is the most reactive of the four main cement minerals, and it is responsible for the early strength development of cement. However, it is also the most unstable mineral, and it is responsible for the expansion and cracking of concrete that is exposed to sulfates.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>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":[644],"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>The constituent of cement which is responsible for all the undesirable properties of cement is A. Di-calcium silicate B. Tri-calcium silicate C. Tri-calcium aluminate D. 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