{"id":7613,"date":"2024-04-15T02:47:44","date_gmt":"2024-04-15T02:47:44","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=7613"},"modified":"2024-04-15T02:47:44","modified_gmt":"2024-04-15T02:47:44","slug":"the-drainage-area-of-a-town-is-12-hectares-its-40-area-is-hard-pavement-k-0-85-the-40-area-is-unpaved-streets-k-0-20-and-the-remaining-is-wooded-areas-k-0-15-assuming-the-time-of-concen","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-drainage-area-of-a-town-is-12-hectares-its-40-area-is-hard-pavement-k-0-85-the-40-area-is-unpaved-streets-k-0-20-and-the-remaining-is-wooded-areas-k-0-15-assuming-the-time-of-concen\/","title":{"rendered":"The drainage area of a town is 12 hectares. Its 40% area is hard pavement (K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula $${{\\text{P}}_{\\text{s}}} = \\frac{{900}}{{{\\text{t}} + 60}}$$ the maximum run off is A. 0.10 cumec B. 0.12 cumec C. 0.15 cumec D. 0.20 cumec"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;0.10 cumec&#8221; option2=&#8221;0.12 cumec&#8221; option3=&#8221;0.15 cumec&#8221; option4=&#8221;0.20 cumec&#8221; correct=&#8221;option3&#8243;]<!--more--><\/p>\n<p>The correct answer is $\\boxed{\\text{B}. 0.12 \\text{ cumec}}$.<\/p>\n<p>The peak discharge $Q_p$ is given by the formula:<\/p>\n<p>$$Q_p = \\frac{K A}{\\tau}$$<\/p>\n<p>where:<\/p>\n<ul>\n<li>$K$ is the runoff coefficient<\/li>\n<li>$A$ is the drainage area<\/li>\n<li>$\\tau$ is the time of concentration<\/li>\n<\/ul>\n<p>The runoff coefficient $K$ is a dimensionless number that represents the fraction of precipitation that will runoff. It depends on the land use and surface characteristics. For hard pavement, $K = 0.85$. For unpaved streets, $K = 0.20$. For wooded areas, $K = 0.15$.<\/p>\n<p>The drainage area $A$ is given to be 12 hectares. The time of concentration $\\tau$ is given to be 30 minutes.<\/p>\n<p>Substituting these values into the formula, we get:<\/p>\n<p>$$Q_p = \\frac{0.85 \\times 12 \\text{ ha}}{{30 \\text{ min}} \\times \\frac{60 \\text{ min}}{1 \\text{ hour}}} = 0.12 \\text{ cumec}$$<\/p>\n<p>Therefore, the maximum runoff is $\\boxed{\\text{B}. 0.12 \\text{ cumec}}$.<\/p>\n<p>The other options are incorrect because they do not represent the correct value of the peak discharge.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;0.10 cumec&#8221; option2=&#8221;0.12 cumec&#8221; option3=&#8221;0.15 cumec&#8221; option4=&#8221;0.20 cumec&#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":[650],"tags":[],"class_list":["post-7613","post","type-post","status-publish","format-standard","hentry","category-waste-water-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>The drainage area of a town is 12 hectares. Its 40% area is hard pavement (K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula $${{\\text{P}}_{\\text{s}}} = \\frac{{900}}{{{\\text{t}} + 60}}$$ the maximum run off is A. 0.10 cumec B. 0.12 cumec C. 0.15 cumec D. 0.20 cumec<\/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\/the-drainage-area-of-a-town-is-12-hectares-its-40-area-is-hard-pavement-k-0-85-the-40-area-is-unpaved-streets-k-0-20-and-the-remaining-is-wooded-areas-k-0-15-assuming-the-time-of-concen\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The drainage area of a town is 12 hectares. Its 40% area is hard pavement (K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula $${{\\text{P}}_{\\text{s}}} = \\frac{{900}}{{{\\text{t}} + 60}}$$ the maximum run off is A. 0.10 cumec B. 0.12 cumec C. 0.15 cumec D. 0.20 cumec\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;0.10 cumec&#8221; option2=&#8221;0.12 cumec&#8221; option3=&#8221;0.15 cumec&#8221; option4=&#8221;0.20 cumec&#8221; correct=&#8221;option3&#8243;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/the-drainage-area-of-a-town-is-12-hectares-its-40-area-is-hard-pavement-k-0-85-the-40-area-is-unpaved-streets-k-0-20-and-the-remaining-is-wooded-areas-k-0-15-assuming-the-time-of-concen\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-15T02:47:44+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":"The drainage area of a town is 12 hectares. Its 40% area is hard pavement (K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula $${{\\text{P}}_{\\text{s}}} = \\frac{{900}}{{{\\text{t}} + 60}}$$ the maximum run off is A. 0.10 cumec B. 0.12 cumec C. 0.15 cumec D. 0.20 cumec","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\/the-drainage-area-of-a-town-is-12-hectares-its-40-area-is-hard-pavement-k-0-85-the-40-area-is-unpaved-streets-k-0-20-and-the-remaining-is-wooded-areas-k-0-15-assuming-the-time-of-concen\/","og_locale":"en_US","og_type":"article","og_title":"The drainage area of a town is 12 hectares. Its 40% area is hard pavement (K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula $${{\\text{P}}_{\\text{s}}} = \\frac{{900}}{{{\\text{t}} + 60}}$$ the maximum run off is A. 0.10 cumec B. 0.12 cumec C. 0.15 cumec D. 0.20 cumec","og_description":"[amp_mcq option1=&#8221;0.10 cumec&#8221; option2=&#8221;0.12 cumec&#8221; option3=&#8221;0.15 cumec&#8221; option4=&#8221;0.20 cumec&#8221; correct=&#8221;option3&#8243;]","og_url":"https:\/\/exam.pscnotes.com\/mcq\/the-drainage-area-of-a-town-is-12-hectares-its-40-area-is-hard-pavement-k-0-85-the-40-area-is-unpaved-streets-k-0-20-and-the-remaining-is-wooded-areas-k-0-15-assuming-the-time-of-concen\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2024-04-15T02:47:44+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\/the-drainage-area-of-a-town-is-12-hectares-its-40-area-is-hard-pavement-k-0-85-the-40-area-is-unpaved-streets-k-0-20-and-the-remaining-is-wooded-areas-k-0-15-assuming-the-time-of-concen\/","url":"https:\/\/exam.pscnotes.com\/mcq\/the-drainage-area-of-a-town-is-12-hectares-its-40-area-is-hard-pavement-k-0-85-the-40-area-is-unpaved-streets-k-0-20-and-the-remaining-is-wooded-areas-k-0-15-assuming-the-time-of-concen\/","name":"The drainage area of a town is 12 hectares. Its 40% area is hard pavement (K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula $${{\\text{P}}_{\\text{s}}} = \\frac{{900}}{{{\\text{t}} + 60}}$$ the maximum run off is A. 0.10 cumec B. 0.12 cumec C. 0.15 cumec D. 0.20 cumec","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2024-04-15T02:47:44+00:00","dateModified":"2024-04-15T02:47:44+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/the-drainage-area-of-a-town-is-12-hectares-its-40-area-is-hard-pavement-k-0-85-the-40-area-is-unpaved-streets-k-0-20-and-the-remaining-is-wooded-areas-k-0-15-assuming-the-time-of-concen\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/the-drainage-area-of-a-town-is-12-hectares-its-40-area-is-hard-pavement-k-0-85-the-40-area-is-unpaved-streets-k-0-20-and-the-remaining-is-wooded-areas-k-0-15-assuming-the-time-of-concen\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/the-drainage-area-of-a-town-is-12-hectares-its-40-area-is-hard-pavement-k-0-85-the-40-area-is-unpaved-streets-k-0-20-and-the-remaining-is-wooded-areas-k-0-15-assuming-the-time-of-concen\/#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":"Waste water engineering","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/civil-engineering\/waste-water-engineering\/"},{"@type":"ListItem","position":5,"name":"The drainage area of a town is 12 hectares. Its 40% area is hard pavement (K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula $${{\\text{P}}_{\\text{s}}} = \\frac{{900}}{{{\\text{t}} + 60}}$$ the maximum run off is A. 0.10 cumec B. 0.12 cumec C. 0.15 cumec D. 0.20 cumec"}]},{"@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\/7613","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=7613"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/7613\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=7613"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=7613"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=7613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}