{"id":7257,"date":"2024-04-15T02:42:05","date_gmt":"2024-04-15T02:42:05","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=7257"},"modified":"2024-04-15T02:42:05","modified_gmt":"2024-04-15T02:42:05","slug":"the-value-of-the-coefficient-of-compressibility-for-water-at-ordinary-pressure-and-temperature-in-kg-cm-is-equal-to-a-2100-b-2700-c-10000-d-21000","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-value-of-the-coefficient-of-compressibility-for-water-at-ordinary-pressure-and-temperature-in-kg-cm-is-equal-to-a-2100-b-2700-c-10000-d-21000\/","title":{"rendered":"The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg\/cm is equal to A. 2100 B. 2700 C. 10,000 D. 21,000"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;2100&#8243; option2=&#8221;2700&#8243; option3=&#8221;10,000&#8243; option4=&#8221;21,000&#8243; correct=&#8221;option1&#8243;]<!--more--><\/p>\n<p>The correct answer is A. 2100.<\/p>\n<p>The coefficient of compressibility is a measure of how much a substance decreases in volume when it is subjected to pressure. It is defined as the reciprocal of the bulk modulus, which is the ratio of the pressure applied to a substance to the change in volume that results.<\/p>\n<p>The bulk modulus of water is 2.2 x 10^9 Pa. The reciprocal of this is 4.5 x 10^-10 m^2\/N. To convert this to kg\/cm^2, we multiply by 9.80665 N\/kg and divide by 100 cm^2\/m^2. This gives us 2100 kg\/cm^2.<\/p>\n<p>Option B is incorrect because it is the bulk modulus of water, not the coefficient of compressibility. Option C is incorrect because it is the coefficient of compressibility of air, not water. Option D is incorrect because it is the coefficient of compressibility of steel, not water.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;2100&#8243; option2=&#8221;2700&#8243; option3=&#8221;10,000&#8243; option4=&#8221;21,000&#8243; correct=&#8221;option1&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[648],"tags":[],"class_list":["post-7257","post","type-post","status-publish","format-standard","hentry","category-hydraulics-and-fluid-mechanics","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 value of the coefficient of compressibility for water at ordinary pressure and temperature in kg\/cm is equal to A. 2100 B. 2700 C. 10,000 D. 21,000<\/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-value-of-the-coefficient-of-compressibility-for-water-at-ordinary-pressure-and-temperature-in-kg-cm-is-equal-to-a-2100-b-2700-c-10000-d-21000\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg\/cm is equal to A. 2100 B. 2700 C. 10,000 D. 21,000\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;2100&#8243; 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