{"id":152938,"date":"2023-07-27T14:43:50","date_gmt":"2023-07-27T09:13:50","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=152938"},"modified":"2023-07-27T14:43:52","modified_gmt":"2023-07-27T09:13:52","slug":"a-colony-of-50-people-is-served-by-a-septic-tank-the-rate-of-water-supply-is-90-lpcd-in-the-colony-and-40-of-it-is-going-to-the-septic-tank-the-retention-period-of-the-tank","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/a-colony-of-50-people-is-served-by-a-septic-tank-the-rate-of-water-supply-is-90-lpcd-in-the-colony-and-40-of-it-is-going-to-the-septic-tank-the-retention-period-of-the-tank\/","title":{"rendered":"A colony of 50 people is served by a septic tank. The rate of water supply is 90 lpcd in the colony and 40% of it is going to the septic tank. The retention period of the tank"},"content":{"rendered":"\n<p>Q. A colony of 50 people is served by a septic tank. The rate of water supply is 90 lpcd in the colony and 40% of it is going to the septic tank. The retention period of the tank is 24 hours. The length of the septic tank is___________________meter (<em>rounded off to two decimal places<\/em>).<\/p>\n\n\n\n<p>Assume, storage capacity\/person = 0.085m<sup>3<\/sup> (3 years) Space for digestion = 0.0425 m<sup>3<\/sup>\/person<\/p>\n\n\n\n<p>Depth of tank = 1.4 m Length: Width = 2:1<\/p>\n\n\n\n<p>A. 34.2<\/p>\n\n\n\n<p>B. 3.42<\/p>\n\n\n\n<p>C. 342<\/p>\n\n\n\n<p>D. 0.342<\/p>\n\n\n\n<p>Ans: 3.42<\/p>\n\n\n\n<p>Water in septic tank = 50 \u00d7 90 \u00d7 1 \u00d7 0.4 = 1.8 cu. m (40% of total consumption)<\/p>\n\n\n\n<p>Storage volume of septic tank = 0.085 \u00d7 50 = 4.25 cu. m<\/p>\n\n\n\n<p>Digestion volume of septic tank = 0.0425 \u00d7 50 = 2.125 cu. m<\/p>\n\n\n\n<p>Total volume = 1.8 + 4.25 + 2.125 = 8.175 cu. M<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/07\/image-96.png\" alt=\"\" class=\"wp-image-152942\" width=\"311\" height=\"151\" srcset=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/07\/image-96.png 423w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/07\/image-96-300x146.png 300w\" sizes=\"(max-width: 311px) 100vw, 311px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Q. A colony of 50 people is served by a septic tank. The rate of water supply is 90 lpcd in the colony and 40% of it is going to the septic tank. The retention period of the tank is 24 hours. The length of the septic tank is___________________meter (rounded off to two decimal places). [&hellip;]<\/p>\n","protected":false},"author":419,"featured_media":152946,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5141],"tags":[5019],"class_list":["post-152938","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gate","tag-upsc-history-quiz"],"_links":{"self":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/152938","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/users\/419"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/comments?post=152938"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/152938\/revisions"}],"predecessor-version":[{"id":152947,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/152938\/revisions\/152947"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/152946"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=152938"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=152938"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=152938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}