{"id":49523,"date":"2024-04-15T22:56:58","date_gmt":"2024-04-15T22:56:58","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=49523"},"modified":"2024-04-15T22:56:58","modified_gmt":"2024-04-15T22:56:58","slug":"in-a-d-c-machine-the-value-of-peripheral-speed-should-not-normally-exceed","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/in-a-d-c-machine-the-value-of-peripheral-speed-should-not-normally-exceed\/","title":{"rendered":"In a D.C. machine, the value of peripheral speed should not, normally, exceed"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;10 m\/s&#8221; option2=&#8221;20 m\/s&#8221; option3=&#8221;machine, the value of peripheral speed should not, normally, exceed A. 10 m\/s B. 20 m\/s C. 30 m\/s&#8221; option4=&#8221;40 m\/s&#8221; correct=&#8221;option3&#8243;]<!--more--><\/p>\n<p>The correct answer is: C. 30 m\/s<\/p>\n<p>The peripheral speed of a D.C. machine is the speed at which the outer edge of the rotor rotates. It is calculated by multiplying the rotor&#8217;s diameter by its rotational speed. The peripheral speed should not, normally, exceed 30 m\/s, as this could cause the rotor to overheat and damage the machine.<\/p>\n<p>Option A: 10 m\/s is too low a value for the peripheral speed of a D.C. machine. This would result in the machine not being able to produce enough power.<\/p>\n<p>Option B: 20 m\/s is a safe value for the peripheral speed of a D.C. machine. However, it is not the maximum value that can be used.<\/p>\n<p>Option C: 30 m\/s is the maximum value for the peripheral speed of a D.C. machine. If this value is exceeded, the rotor could overheat and damage the machine.<\/p>\n<p>Option D: 40 m\/s is too high a value for the peripheral speed of a D.C. machine. This would result in the rotor overheating and damaging the machine.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;10 m\/s&#8221; option2=&#8221;20 m\/s&#8221; option3=&#8221;machine, the value of peripheral speed should not, normally, exceed A. 10 m\/s B. 20 m\/s C. 30 m\/s&#8221; option4=&#8221;40 m\/s&#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":[741],"tags":[],"class_list":["post-49523","post","type-post","status-publish","format-standard","hentry","category-electrical-machine-design","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>In a D.C. machine, the value of peripheral speed should not, normally, exceed<\/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\/in-a-d-c-machine-the-value-of-peripheral-speed-should-not-normally-exceed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"In a D.C. machine, the value of peripheral speed should not, normally, exceed\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;10 m\/s&#8221; 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