{"id":7560,"date":"2024-04-15T02:46:52","date_gmt":"2024-04-15T02:46:52","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=7560"},"modified":"2024-04-15T02:46:52","modified_gmt":"2024-04-15T02:46:52","slug":"the-peak-of-a-4-hour-flood-hydrograph-is-240-m3-sec-if-the-rainfall-excess-is-80-mm-and-base-flow-which-is-constant-is-40-m3-sec-then-the-peak-of-4-hours-unit-hydrograph-will-be-a-20-m3-sec-b-25","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-peak-of-a-4-hour-flood-hydrograph-is-240-m3-sec-if-the-rainfall-excess-is-80-mm-and-base-flow-which-is-constant-is-40-m3-sec-then-the-peak-of-4-hours-unit-hydrograph-will-be-a-20-m3-sec-b-25\/","title":{"rendered":"The peak of a 4 hour flood hydrograph is 240 m3\/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3\/sec, then the peak of 4-hours unit hydrograph will be A. 20 m3\/sec B. 25 m3\/sec C. 30 m3\/sec D. 35 m3\/sec"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;20 m3\/sec&#8221; option2=&#8221;25 m3\/sec&#8221; option3=&#8221;30 m3\/sec&#8221; option4=&#8221;35 m3\/sec&#8221; correct=&#8221;option3&#8243;]<!--more--><\/p>\n<p>The correct answer is C. 30 m3\/sec.<\/p>\n<p>The peak of a 4 hour flood hydrograph is 240 m3\/sec. This means that the total volume of water that flows through the hydrograph in 4 hours is 240 m3\/sec. The rainfall excess is 80 mm. This means that 80 mm of rain fell in the area that the hydrograph represents. The base flow is 40 m3\/sec. This means that 40 m3\/sec of water is flowing through the hydrograph even when there is no rain.<\/p>\n<p>The peak of a 4-hours unit hydrograph is the peak of the hydrograph divided by the rainfall excess. In this case, the peak of the 4-hours unit hydrograph is 240 m3\/sec \/ 80 mm = 30 m3\/sec.<\/p>\n<p>The other options are incorrect because they do not represent the peak of the 4-hours unit hydrograph.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;20 m3\/sec&#8221; option2=&#8221;25 m3\/sec&#8221; option3=&#8221;30 m3\/sec&#8221; option4=&#8221;35 m3\/sec&#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":[649],"tags":[],"class_list":["post-7560","post","type-post","status-publish","format-standard","hentry","category-irrigation-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 peak of a 4 hour flood hydrograph is 240 m3\/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3\/sec, then the peak of 4-hours unit hydrograph will be A. 20 m3\/sec B. 25 m3\/sec C. 30 m3\/sec D. 35 m3\/sec<\/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-peak-of-a-4-hour-flood-hydrograph-is-240-m3-sec-if-the-rainfall-excess-is-80-mm-and-base-flow-which-is-constant-is-40-m3-sec-then-the-peak-of-4-hours-unit-hydrograph-will-be-a-20-m3-sec-b-25\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The peak of a 4 hour flood hydrograph is 240 m3\/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3\/sec, then the peak of 4-hours unit hydrograph will be A. 20 m3\/sec B. 25 m3\/sec C. 30 m3\/sec D. 35 m3\/sec\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;20 m3\/sec&#8221; option2=&#8221;25 m3\/sec&#8221; option3=&#8221;30 m3\/sec&#8221; option4=&#8221;35 m3\/sec&#8221; correct=&#8221;option3&#8243;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/the-peak-of-a-4-hour-flood-hydrograph-is-240-m3-sec-if-the-rainfall-excess-is-80-mm-and-base-flow-which-is-constant-is-40-m3-sec-then-the-peak-of-4-hours-unit-hydrograph-will-be-a-20-m3-sec-b-25\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-15T02:46:52+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 peak of a 4 hour flood hydrograph is 240 m3\/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3\/sec, then the peak of 4-hours unit hydrograph will be A. 20 m3\/sec B. 25 m3\/sec C. 30 m3\/sec D. 35 m3\/sec","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-peak-of-a-4-hour-flood-hydrograph-is-240-m3-sec-if-the-rainfall-excess-is-80-mm-and-base-flow-which-is-constant-is-40-m3-sec-then-the-peak-of-4-hours-unit-hydrograph-will-be-a-20-m3-sec-b-25\/","og_locale":"en_US","og_type":"article","og_title":"The peak of a 4 hour flood hydrograph is 240 m3\/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3\/sec, then the peak of 4-hours unit hydrograph will be A. 20 m3\/sec B. 25 m3\/sec C. 30 m3\/sec D. 35 m3\/sec","og_description":"[amp_mcq option1=&#8221;20 m3\/sec&#8221; option2=&#8221;25 m3\/sec&#8221; option3=&#8221;30 m3\/sec&#8221; option4=&#8221;35 m3\/sec&#8221; correct=&#8221;option3&#8243;]","og_url":"https:\/\/exam.pscnotes.com\/mcq\/the-peak-of-a-4-hour-flood-hydrograph-is-240-m3-sec-if-the-rainfall-excess-is-80-mm-and-base-flow-which-is-constant-is-40-m3-sec-then-the-peak-of-4-hours-unit-hydrograph-will-be-a-20-m3-sec-b-25\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2024-04-15T02:46:52+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-peak-of-a-4-hour-flood-hydrograph-is-240-m3-sec-if-the-rainfall-excess-is-80-mm-and-base-flow-which-is-constant-is-40-m3-sec-then-the-peak-of-4-hours-unit-hydrograph-will-be-a-20-m3-sec-b-25\/","url":"https:\/\/exam.pscnotes.com\/mcq\/the-peak-of-a-4-hour-flood-hydrograph-is-240-m3-sec-if-the-rainfall-excess-is-80-mm-and-base-flow-which-is-constant-is-40-m3-sec-then-the-peak-of-4-hours-unit-hydrograph-will-be-a-20-m3-sec-b-25\/","name":"The peak of a 4 hour flood hydrograph is 240 m3\/sec . 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