{"id":6915,"date":"2024-04-15T02:36:04","date_gmt":"2024-04-15T02:36:04","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=6915"},"modified":"2024-04-15T02:36:04","modified_gmt":"2024-04-15T02:36:04","slug":"in-a-triaxial-compression-test-when-drainage-is-allowed-during-the-first-stage-i-e-application-of-cell-pressure-only-and-not-during-the-second-stage-i-e-application-of-deviator-stress-at-constan","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/in-a-triaxial-compression-test-when-drainage-is-allowed-during-the-first-stage-i-e-application-of-cell-pressure-only-and-not-during-the-second-stage-i-e-application-of-deviator-stress-at-constan\/","title":{"rendered":"In a triaxial compression test when drainage is allowed during the first stage (i. e. application of cell pressure) only and not during the second stage (i.e. application of deviator stress at constant cell pressure), the test is known as A. consolidated drained test B. consolidated undrained test C. unconsolidated drained test D. unconsolidated undrained test"},"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_6a9880388a9a0\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    consolidated drained test                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    consolidated undrained test                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"true\">\r\n                    unconsolidated drained test                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    unconsolidated undrained test                <\/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. unconsolidated drained test<\/strong><\/p>\n<p>In a triaxial compression test, the soil sample is subjected to three principal stresses:<\/p>\n<ul>\n<li>$\\sigma_1$ is the major principal stress, which is applied in the vertical direction.<\/li>\n<li>$\\sigma_2$ is the intermediate principal stress, which is applied in the horizontal direction.<\/li>\n<li>$\\sigma_3$ is the minor principal stress, which is equal to the cell pressure.<\/li>\n<\/ul>\n<p>The test is known as consolidated drained test if the soil sample is allowed to consolidate under the initial cell pressure $\\sigma_3$ before the deviator stress $\\sigma_1-\\sigma_3$ is applied. This allows the soil to reach equilibrium under the initial stress state.<\/p>\n<p>The test is known as consolidated undrained test if the soil sample is not allowed to consolidate under the initial cell pressure $\\sigma_3$ before the deviator stress $\\sigma_1-\\sigma_3$ is applied. This means that the soil sample will be subjected to both the initial cell pressure and the deviator stress at the same time.<\/p>\n<p>The test is known as unconsolidated drained test if the soil sample is not allowed to consolidate under the initial cell pressure $\\sigma_3$, but is allowed to drain during the application of the deviator stress $\\sigma_1-\\sigma_3$. This means that the soil sample will be subjected to the initial cell pressure, but <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> the deviator stress will be applied gradually, allowing the soil to drain and reach equilibrium under each increment of deviator stress.<\/p>\n<p>In the <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> question, drainage is allowed during the first stage (i.e. application of cell pressure) only and not during the second stage (i.e. application of deviator stress at constant cell pressure). This means that the soil sample is not allowed to consolidate under the initial cell pressure, but is allowed to drain during the application of the deviator stress. Therefore, the test is known as unconsolidated drained test.<\/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>In a triaxial compression test when drainage is allowed during the first stage (i. e. application of cell pressure) only and not during the second stage (i.e. application of deviator stress at constant cell pressure), the test is known as A. consolidated drained test B. consolidated undrained test C. unconsolidated drained test D. unconsolidated undrained test<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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