{"id":5933,"date":"2024-04-15T02:21:16","date_gmt":"2024-04-15T02:21:16","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=5933"},"modified":"2024-04-15T02:21:16","modified_gmt":"2024-04-15T02:21:16","slug":"minimum-grade-of-concrete-to-be-used-in-reinforced-concrete-as-per-is-456-1978-is-a-m15-b-m20-c-m10-d-m25","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/minimum-grade-of-concrete-to-be-used-in-reinforced-concrete-as-per-is-456-1978-is-a-m15-b-m20-c-m10-d-m25\/","title":{"rendered":"Minimum grade of concrete to be used in reinforced concrete as per IS: 456-1978 is A. M15 B. M20 C. M10 D. M25"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;M15&#8243; option2=&#8221;M20&#8243; option3=&#8221;M10&#8243; option4=&#8221;M25&#8243; correct=&#8221;option2&#8243;]<!--more--><\/p>\n<p>The correct answer is: B. M20<\/p>\n<p>The minimum grade of concrete to be used in reinforced concrete as per IS: 456-1978 is M20. This grade of concrete has a compressive strength of 20 MPa. It is a good all-purpose grade of concrete that can be used for a variety of applications, including residential and commercial buildings, bridges, and other structures.<\/p>\n<p>The other options are incorrect because they do not meet the minimum grade requirements specified in IS: 456-1978. Option A, M15, has a compressive strength of 15 MPa. Option C, M10, has a compressive strength of 10 MPa. Option D, M25, has a compressive strength of 25 MPa.<\/p>\n<p>IS: 456-1978 is the Indian Standard Code of Practice for Plain and Reinforced Concrete. It is a comprehensive code that covers all aspects of the design and construction of concrete structures. The code is updated periodically to reflect the latest developments in concrete technology.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;M15&#8243; option2=&#8221;M20&#8243; option3=&#8221;M10&#8243; option4=&#8221;M25&#8243; correct=&#8221;option2&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[641],"tags":[],"class_list":["post-5933","post","type-post","status-publish","format-standard","hentry","category-concrete-technology-and-design-of-concrete-structures","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>Minimum grade of concrete to be used in reinforced concrete as per IS: 456-1978 is A. M15 B. M20 C. M10 D. 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