{"id":7715,"date":"2024-04-15T02:49:18","date_gmt":"2024-04-15T02:49:18","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=7715"},"modified":"2024-04-15T02:49:18","modified_gmt":"2024-04-15T02:49:18","slug":"in-detritus-tanks-a-flow-velocity-is-kept-0-09-m-sec-b-detention-period-is-kept-3-to-4-minutes-c-organic-and-inorganic-materials-are-separated-d-all-the-above","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/in-detritus-tanks-a-flow-velocity-is-kept-0-09-m-sec-b-detention-period-is-kept-3-to-4-minutes-c-organic-and-inorganic-materials-are-separated-d-all-the-above\/","title":{"rendered":"In detritus tanks, A. Flow velocity is kept 0.09 m\/sec B. Detention period is kept 3 to 4 minutes C. Organic and inorganic materials are separated 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_6a9df8d560965\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    Flow velocity is kept 0.09 m\/sec                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    Detention period is kept 3 to 4 minutes                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    Organic and inorganic materials are separated                <\/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>Detritus tanks are a type of sedimentation tank used in wastewater treatment. They are designed to remove suspended solids and organic matter from the wastewater. The flow velocity in a detritus <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> tank is kept at <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> 0.09 m\/sec to allow the solids to settle out. The detention period is kept at 3 to 4 minutes to ensure that all of the solids have time to settle out. Organic and inorganic materials are separated in a detritus tank by the difference in their densities. The organic materials, which are lighter, float to the surface and are skimmed off, while the inorganic materials, which are heavier, sink to the bottom and are removed by sludge pumps.<\/p>\n<p>Here is a more detailed explanation of each option:<\/p>\n<ul>\n<li>Option A: The flow velocity in a detritus tank is kept at 0.09 m\/sec to allow the solids to settle out. If the flow velocity is too high, the solids will not have time to settle out and will be carried out of the tank with the wastewater. If the flow velocity is too low, the solids will settle out too quickly and will not be able to be removed from the tank.<\/li>\n<li>Option B: The detention period in a detritus tank is kept at 3 to 4 minutes to ensure that all of the solids have time to settle out. If the detention period is too short, some of the solids will not have time to settle out and will be carried out of the tank with the wastewater. If the detention period is too long, the solids will start to decompose and release harmful gases.<\/li>\n<li>Option C: Organic and inorganic materials are separated in a detritus tank by the difference in their densities. The organic materials, which are lighter, float to the surface and are skimmed off, while the inorganic materials, which are heavier, sink to the bottom and are removed by sludge pumps.<\/li>\n<\/ul>\n<p>I hope this information is helpful. Please let me know if you have any other questions.<\/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":[650],"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 detritus tanks, A. Flow velocity is kept 0.09 m\/sec B. Detention period is kept 3 to 4 minutes C. Organic and inorganic materials are separated D. 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