{"id":7527,"date":"2024-04-15T02:46:22","date_gmt":"2024-04-15T02:46:22","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=7527"},"modified":"2024-04-15T02:46:22","modified_gmt":"2024-04-15T02:46:22","slug":"the-area-between-the-isohyets-45-cm-and-55-cm-is-100-square-km-and-between-55-cm-and-65-cm-is-150-square-km-the-average-depth-of-annua-precipitation-over-the-above-basin-of-250-square-km-will-be-a","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-area-between-the-isohyets-45-cm-and-55-cm-is-100-square-km-and-between-55-cm-and-65-cm-is-150-square-km-the-average-depth-of-annua-precipitation-over-the-above-basin-of-250-square-km-will-be-a\/","title":{"rendered":"The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65 cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be A. 50 cm B. 55 cm C. 56 cm D. 60 cm"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;50 cm&#8221; option2=&#8221;55 cm&#8221; option3=&#8221;56 cm&#8221; option4=&#8221;60 cm&#8221; correct=&#8221;option3&#8243;]<!--more--><\/p>\n<p>The correct answer is $\\boxed{\\text{B) 55 cm}}$.<\/p>\n<p>The average depth of annual precipitation over the basin is the total precipitation divided by the area of the basin. The total precipitation is the sum of the precipitation in each isohyetal band. The area of each isohyetal band is given by the formula $A = b \\times l$, where $b$ is the width of the band and $l$ is the length of the band. The width of each band is constant, so the area of each band is proportional to its length. The length of the band between the isohyets 45 cm and 55 cm is 100 km, and the length of the band between the isohyets 55 cm and 65 cm is 150 km. Therefore, the total precipitation is $P = 100 \\times 45 + 150 \\times 55 = 10250$ cm. The area of the basin is 250 km$^2$, so the average depth of annual precipitation is $P\/A = 10250\/250 = 55$ cm.<\/p>\n<p>Option A is incorrect because it is the average depth of precipitation in the band between the isohyets 45 cm and 55 cm. Option C is incorrect because it is the average depth of precipitation in the band between the isohyets 55 cm and 65 cm. Option D is incorrect because it is the average depth of precipitation in the entire basin.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;50 cm&#8221; option2=&#8221;55 cm&#8221; option3=&#8221;56 cm&#8221; option4=&#8221;60 cm&#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-7527","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 area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65 cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be A. 50 cm B. 55 cm C. 56 cm D. 60 cm<\/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-area-between-the-isohyets-45-cm-and-55-cm-is-100-square-km-and-between-55-cm-and-65-cm-is-150-square-km-the-average-depth-of-annua-precipitation-over-the-above-basin-of-250-square-km-will-be-a\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65 cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be A. 50 cm B. 55 cm C. 56 cm D. 60 cm\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;50 cm&#8221; option2=&#8221;55 cm&#8221; option3=&#8221;56 cm&#8221; option4=&#8221;60 cm&#8221; correct=&#8221;option3&#8243;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/the-area-between-the-isohyets-45-cm-and-55-cm-is-100-square-km-and-between-55-cm-and-65-cm-is-150-square-km-the-average-depth-of-annua-precipitation-over-the-above-basin-of-250-square-km-will-be-a\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-15T02:46:22+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 area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65 cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be A. 50 cm B. 55 cm C. 56 cm D. 60 cm","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-area-between-the-isohyets-45-cm-and-55-cm-is-100-square-km-and-between-55-cm-and-65-cm-is-150-square-km-the-average-depth-of-annua-precipitation-over-the-above-basin-of-250-square-km-will-be-a\/","og_locale":"en_US","og_type":"article","og_title":"The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65 cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be A. 50 cm B. 55 cm C. 56 cm D. 60 cm","og_description":"[amp_mcq option1=&#8221;50 cm&#8221; option2=&#8221;55 cm&#8221; option3=&#8221;56 cm&#8221; option4=&#8221;60 cm&#8221; correct=&#8221;option3&#8243;]","og_url":"https:\/\/exam.pscnotes.com\/mcq\/the-area-between-the-isohyets-45-cm-and-55-cm-is-100-square-km-and-between-55-cm-and-65-cm-is-150-square-km-the-average-depth-of-annua-precipitation-over-the-above-basin-of-250-square-km-will-be-a\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2024-04-15T02:46:22+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-area-between-the-isohyets-45-cm-and-55-cm-is-100-square-km-and-between-55-cm-and-65-cm-is-150-square-km-the-average-depth-of-annua-precipitation-over-the-above-basin-of-250-square-km-will-be-a\/","url":"https:\/\/exam.pscnotes.com\/mcq\/the-area-between-the-isohyets-45-cm-and-55-cm-is-100-square-km-and-between-55-cm-and-65-cm-is-150-square-km-the-average-depth-of-annua-precipitation-over-the-above-basin-of-250-square-km-will-be-a\/","name":"The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65 cm is 150 square km. 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