{"id":7020,"date":"2024-04-15T02:37:47","date_gmt":"2024-04-15T02:37:47","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=7020"},"modified":"2024-04-15T02:37:47","modified_gmt":"2024-04-15T02:37:47","slug":"in-water-treatment-rapid-gravity-filters-are-adopted-to-remove-a-dissolved-organic-substances-b-dissolved-solids-and-dissolved-gases-c-floating-solids-and-dissolved-inorganic-solids-d-bacteria-an","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/in-water-treatment-rapid-gravity-filters-are-adopted-to-remove-a-dissolved-organic-substances-b-dissolved-solids-and-dissolved-gases-c-floating-solids-and-dissolved-inorganic-solids-d-bacteria-an\/","title":{"rendered":"In water treatment, rapid gravity filters are adopted to remove A. Dissolved organic substances B. Dissolved solids and dissolved gases C. Floating solids and dissolved inorganic solids D. Bacteria and colloidal solids"},"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_6a9942e5b0205\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    Dissolved organic substances                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    Dissolved solids and dissolved gases                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    Floating solids and dissolved inorganic solids                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"true\">\r\n                    Bacteria and colloidal solids                <\/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. Bacteria and colloidal solids.<\/p>\n<p>Rapid gravity filters are a type of water treatment system that uses a bed of sand or gravel to remove suspended particles and bacteria from water. The water flows through the filter bed at a high rate, which causes the particles to be trapped in the pores of the sand or gravel. The bacteria are also removed by the filter, as they are too large to pass through the pores.<\/p>\n<p>Dissolved organic substances are not removed by rapid gravity filters, as they are too small to be trapped in the pores of the sand or gravel. Dissolved gases are also not removed by rapid gravity filters, as they pass through the filter bed without <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       <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>  <\/a>\r\n    <\/div> being affected. Floating solids are removed by rapid gravity filters, as they are too large to pass through the pores of the sand or gravel. Dissolved inorganic solids are not removed by rapid gravity filters, as they are too small to be trapped in the pores of the sand or gravel.<\/p>\n<p>Rapid gravity filters are a simple and effective way to remove bacteria and colloidal solids from water. They are commonly used in municipal water treatment plants and in homes with private wells.<\/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":[647],"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 water treatment, rapid gravity filters are adopted to remove A. Dissolved organic substances B. Dissolved solids and dissolved gases C. Floating solids and dissolved inorganic solids D. 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