{"id":6950,"date":"2024-04-15T02:36:38","date_gmt":"2024-04-15T02:36:38","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=6950"},"modified":"2024-04-15T02:36:38","modified_gmt":"2024-04-15T02:36:38","slug":"uniformity-coefficient-of-a-soil-is-a-always-less-than-1-b-always-equal-to-1-c-equal-to-or-less-than-1-d-equal-to-or-gi-eater-than-1","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/uniformity-coefficient-of-a-soil-is-a-always-less-than-1-b-always-equal-to-1-c-equal-to-or-less-than-1-d-equal-to-or-gi-eater-than-1\/","title":{"rendered":"Uniformity coefficient of a soil is A. always less than 1 B. always equal to 1 C. equal to or less than 1 D. equal to or gi eater than 1"},"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_6a9ab985f3061\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    always less than 1                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    always equal to 1                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"true\">\r\n                    equal to or less than 1                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    equal to or gi eater than 1                <\/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: C. equal to or less than 1.<\/p>\n<p>The uniformity coefficient (Cu) is a measure of the uniformity of the particle size distribution of a soil. It is defined as the ratio of the D60 (the particle size that is 60% finer by weight) to the D10 (the particle size that is 10% finer by weight).<\/p>\n<p>A soil with a high Cu value has a wide range of particle sizes, while a soil with a low Cu value has a narrow range of particle sizes. Soils with a high Cu value are more likely to be unstable and to segregate during construction.<\/p>\n<p>The uniformity coefficient is always equal to or less than 1. This is because the D60 must always be greater than or equal to the D10. Therefore, the ratio of the D60 to the D10 must always be less than or equal to 1.<\/p>\n<p>Here are some additional details about each option:<\/p>\n<ul>\n<li>Option A: always less than 1. This is incorrect because the uniformity coefficient can be equal to 1. For example, a soil with a particle size distribution of 100% sand would have a Cu value of 1.<\/li>\n<li>Option B: always equal to 1. This is incorrect because the uniformity coefficient can be less than 1. For example, a soil with a particle size distribution of 10% sand and 90% clay would have <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                   <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>  <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> a Cu value of 0.1.<\/li>\n<li>Option C: equal to or less than 1. This is the correct answer because the uniformity coefficient is always equal to or less than 1.<\/li>\n<li>Option D: equal to or greater than 1. This is incorrect because the uniformity coefficient can never be greater than 1.<\/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":[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>Uniformity coefficient of a soil is A. always less than 1 B. always equal to 1 C. equal to or less than 1 D. equal to or gi eater than 1<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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