{"id":7123,"date":"2024-04-15T02:39:50","date_gmt":"2024-04-15T02:39:50","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=7123"},"modified":"2024-04-15T02:39:50","modified_gmt":"2024-04-15T02:39:50","slug":"chlorine-demand-of-water-is-equal-to-a-applied-chlorine-b-residual-chlorine-c-sum-of-applied-and-residual-chlorine-d-difference-of-applied-and-residual-chlorine","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/chlorine-demand-of-water-is-equal-to-a-applied-chlorine-b-residual-chlorine-c-sum-of-applied-and-residual-chlorine-d-difference-of-applied-and-residual-chlorine\/","title":{"rendered":"Chlorine demand of water is equal to A. Applied chlorine B. Residual chlorine C. Sum of applied and residual chlorine D. Difference of applied and residual chlorine"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;Applied chlorine&#8221; option2=&#8221;Residual chlorine&#8221; option3=&#8221;Sum of applied and residual chlorine&#8221; option4=&#8221;Difference of applied and residual chlorine&#8221; correct=&#8221;option3&#8243;]<!--more--><\/p>\n<p>The correct answer is: <strong>C. Sum of applied and residual chlorine<\/strong>.<\/p>\n<p>Chlorine demand is the amount of chlorine that must be added to water to achieve a desired level of disinfection. The applied chlorine is the amount of chlorine that is added to the water, and the residual chlorine is the amount of chlorine that remains in the water after a period of time. The sum of the applied and residual chlorine is the total chlorine demand of the water.<\/p>\n<p>Option A, applied chlorine, is the amount of chlorine that is added to the water. This is not the same as the chlorine demand, because some of the applied chlorine may react with other substances in the water and be removed.<\/p>\n<p>Option B, residual chlorine, is the amount of chlorine that remains in the water after a period of time. This is not the same as the chlorine demand, because some of the applied chlorine may react with other substances in the water and be removed.<\/p>\n<p>Option C, sum of applied and residual chlorine, is the total amount of chlorine that is added to the water and that remains in the water after a period of time. This is the same as the chlorine demand.<\/p>\n<p>Option D, difference of applied and residual chlorine, is not the same as the chlorine demand. This is because some of the applied chlorine may react with other substances in the water and be removed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;Applied chlorine&#8221; option2=&#8221;Residual chlorine&#8221; option3=&#8221;Sum of applied and residual chlorine&#8221; option4=&#8221;Difference of applied and residual chlorine&#8221; correct=&#8221;option3&#8243;]<\/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":[],"class_list":["post-7123","post","type-post","status-publish","format-standard","hentry","category-environmental-engineering","no-featured-image-padding"],"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>Chlorine demand of water is equal to A. Applied chlorine B. Residual chlorine C. Sum of applied and residual chlorine D. Difference of applied and residual chlorine<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/chlorine-demand-of-water-is-equal-to-a-applied-chlorine-b-residual-chlorine-c-sum-of-applied-and-residual-chlorine-d-difference-of-applied-and-residual-chlorine\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chlorine demand of water is equal to A. Applied chlorine B. Residual chlorine C. Sum of applied and residual chlorine D. Difference of applied and residual chlorine\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;Applied chlorine&#8221; option2=&#8221;Residual chlorine&#8221; option3=&#8221;Sum of applied and residual chlorine&#8221; option4=&#8221;Difference of applied and residual chlorine&#8221; correct=&#8221;option3&#8243;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/chlorine-demand-of-water-is-equal-to-a-applied-chlorine-b-residual-chlorine-c-sum-of-applied-and-residual-chlorine-d-difference-of-applied-and-residual-chlorine\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-15T02:39:50+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Chlorine demand of water is equal to A. Applied chlorine B. Residual chlorine C. Sum of applied and residual chlorine D. Difference of applied and residual chlorine","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/chlorine-demand-of-water-is-equal-to-a-applied-chlorine-b-residual-chlorine-c-sum-of-applied-and-residual-chlorine-d-difference-of-applied-and-residual-chlorine\/","og_locale":"en_US","og_type":"article","og_title":"Chlorine demand of water is equal to A. Applied chlorine B. Residual chlorine C. Sum of applied and residual chlorine D. Difference of applied and residual chlorine","og_description":"[amp_mcq option1=&#8221;Applied chlorine&#8221; option2=&#8221;Residual chlorine&#8221; option3=&#8221;Sum of applied and residual chlorine&#8221; option4=&#8221;Difference of applied and residual chlorine&#8221; correct=&#8221;option3&#8243;]","og_url":"https:\/\/exam.pscnotes.com\/mcq\/chlorine-demand-of-water-is-equal-to-a-applied-chlorine-b-residual-chlorine-c-sum-of-applied-and-residual-chlorine-d-difference-of-applied-and-residual-chlorine\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2024-04-15T02:39:50+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/chlorine-demand-of-water-is-equal-to-a-applied-chlorine-b-residual-chlorine-c-sum-of-applied-and-residual-chlorine-d-difference-of-applied-and-residual-chlorine\/","url":"https:\/\/exam.pscnotes.com\/mcq\/chlorine-demand-of-water-is-equal-to-a-applied-chlorine-b-residual-chlorine-c-sum-of-applied-and-residual-chlorine-d-difference-of-applied-and-residual-chlorine\/","name":"Chlorine demand of water is equal to A. Applied chlorine B. Residual chlorine C. Sum of applied and residual chlorine D. Difference of applied and residual chlorine","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2024-04-15T02:39:50+00:00","dateModified":"2024-04-15T02:39:50+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/chlorine-demand-of-water-is-equal-to-a-applied-chlorine-b-residual-chlorine-c-sum-of-applied-and-residual-chlorine-d-difference-of-applied-and-residual-chlorine\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/chlorine-demand-of-water-is-equal-to-a-applied-chlorine-b-residual-chlorine-c-sum-of-applied-and-residual-chlorine-d-difference-of-applied-and-residual-chlorine\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/chlorine-demand-of-water-is-equal-to-a-applied-chlorine-b-residual-chlorine-c-sum-of-applied-and-residual-chlorine-d-difference-of-applied-and-residual-chlorine\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"mcq","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/"},{"@type":"ListItem","position":3,"name":"Civil engineering","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/civil-engineering\/"},{"@type":"ListItem","position":4,"name":"Environmental engineering","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/civil-engineering\/environmental-engineering\/"},{"@type":"ListItem","position":5,"name":"Chlorine demand of water is equal to A. Applied chlorine B. Residual chlorine C. Sum of applied and residual chlorine D. Difference of applied and residual chlorine"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/7123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=7123"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/7123\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=7123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=7123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=7123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}