{"id":6985,"date":"2024-04-15T02:37:12","date_gmt":"2024-04-15T02:37:12","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=6985"},"modified":"2024-04-15T02:37:12","modified_gmt":"2024-04-15T02:37:12","slug":"the-slope-of-isochrone-at-any-point-at-a-given-time-indicates-the-rate-of-change-of-a-effective-stress-with-time-b-effective-stress-with-depth-c-pore-water-pressure-with-depth-d-pore-water-pressur","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-slope-of-isochrone-at-any-point-at-a-given-time-indicates-the-rate-of-change-of-a-effective-stress-with-time-b-effective-stress-with-depth-c-pore-water-pressure-with-depth-d-pore-water-pressur\/","title":{"rendered":"The slope of isochrone at any point at a given time indicates the rate of change of A. effective stress with time B. effective stress with depth C. pore water pressure with depth D. pore water pressure with time"},"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_6a98a527d6b07\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"true\">\r\n                    effective stress with time                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    effective stress with depth                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    pore water pressure with depth                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    pore water pressure with time                <\/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. effective stress with time.<\/p>\n<p>An isochrone is a line on a map that connects points that have the same time of travel. In the context of soil mechanics, isochrones can be used to represent the rate of consolidation of a soil. The slope of an isochrone at any point indicates the rate of change of effective stress with time.<\/p>\n<p>Effective stress is the stress that is carried by the soil particles, and it is equal to the total stress minus the pore water pressure. The rate of consolidation is the rate at which the pore water pressure <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> in a soil dissipates. The slope of an isochrone is therefore a measure of the rate at which the effective stress in a soil is changing.<\/p>\n<p>Option B is incorrect because the slope of an isochrone does not indicate the rate of change of effective stress with depth. The effective stress at any point in a soil is equal to the total stress minus the pore water pressure, and the total stress and pore water pressure are both functions of depth. The slope of an isochrone is therefore a measure of the rate at which the effective stress is changing at a particular point, not the rate at which it is changing with depth.<\/p>\n<p>Option C is incorrect because the slope of an isochrone does not indicate the rate of change of pore water pressure with depth. The pore water pressure at any point in a soil is a function of the total stress, the effective stress, and the soil&#8217;s permeability. The slope of an isochrone is therefore a measure of the rate at which the effective stress <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> is changing at a particular point, not the rate at which the pore water pressure is changing with depth.<\/p>\n<p>Option D is incorrect because the slope of an isochrone does not indicate the rate of change of pore water pressure with time. The pore water pressure in a soil dissipates over time due to consolidation, but the slope of an isochrone is a measure of the rate at which the effective stress is changing at a particular point, not the rate at which the pore water pressure is changing with time.<\/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>The slope of isochrone at any point at a given time indicates the rate of change of A. effective stress with time B. effective stress with depth C. pore water pressure with depth D. pore water pressure with time<\/title>\n<meta name=\"robots\" content=\"index, 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