{"id":6972,"date":"2024-04-15T02:37:00","date_gmt":"2024-04-15T02:37:00","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=6972"},"modified":"2024-04-15T02:37:00","modified_gmt":"2024-04-15T02:37:00","slug":"pick-up-the-correct-statement-from-the-following-a-the-dry-density-reduces-by-addition-of-water-after-attaining-optimum-moisture-content-b-the-line-joining-the-peak-of-three-moisture-content-graphs","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/pick-up-the-correct-statement-from-the-following-a-the-dry-density-reduces-by-addition-of-water-after-attaining-optimum-moisture-content-b-the-line-joining-the-peak-of-three-moisture-content-graphs\/","title":{"rendered":"Pick up the correct statement from the following: A. The dry density reduces by addition of water after attaining optimum moisture content B. The line joining the peak of three moisture content graphs obtained by using three compactive energies, is called line of optimus C. Well graded coarse grained soils can be compacted to a very high density as compared to fine grained soils 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_6a996132c2d27\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    The dry density reduces by addition of water after attaining optimum moisture content                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    The line joining the peak of three moisture content graphs obtained by using three compactive energies, is called line of optimus                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    Well graded coarse grained soils can be compacted to a very high density as compared to fine grained soils                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"true\">\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 D. All the above.<\/p>\n<p>Option A is correct because the dry density of a soil decreases with increasing water content after the optimum moisture content is reached. This is because the water molecules fill up the voids <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> between the soil particles, which makes it more difficult for the soil particles to pack together tightly.<\/p>\n<p>Option B is correct because the line joining the peak of three moisture content graphs obtained by using three compactive energies is called the line of optimum. This line represents the moisture content at which the soil has the highest dry density for a given compactive energy.<\/p>\n<p>Option C is correct because well graded coarse grained soils can be compacted to a very high density as compared to fine grained soils. This is because the coarse grained soils have larger voids between the particles, which allows them to pack together more tightly.<\/p>\n<p>Here is a diagram that shows the relationship between dry density and water content for a typical soil:<\/p>\n<p>[Diagram of dry <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> density vs. water content]<\/p>\n<p>The optimum moisture content is the point at which the dry density is highest. The line of optimum is the line that joins the peak of the three moisture content graphs.<\/p>\n<p>I hope this explanation is helpful!<\/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":[646],"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>Pick up the correct statement from the following: A. The dry density reduces by addition of water after attaining optimum moisture content B. The line joining the peak of three moisture content graphs obtained by using three compactive energies, is called line of optimus C. Well graded coarse grained soils can be compacted to a very high density as compared to fine grained soils D. 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