{"id":58499,"date":"2024-04-16T01:20:38","date_gmt":"2024-04-16T01:20:38","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=58499"},"modified":"2024-04-16T01:20:38","modified_gmt":"2024-04-16T01:20:38","slug":"an-efficient-and-a-well-designed-protective-relaying-should-have","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/an-efficient-and-a-well-designed-protective-relaying-should-have\/","title":{"rendered":"An efficient and a well designed protective relaying should have"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;good selectivity and reliability&#8221; option2=&#8221;economy and simplicity&#8221; option3=&#8221;high speed and selectivity&#8221; option4=&#8221;all of the above&#8221; correct=&#8221;option4&#8243;]<!--more--><\/p>\n<p>The correct answer is D. all of the above.<\/p>\n<p>An efficient and a well designed protective relaying should have good selectivity and reliability, economy and simplicity, high speed and selectivity.<\/p>\n<ul>\n<li><strong>Selectivity:<\/strong> The ability of a relay to distinguish between a fault on its protected circuit and faults on other circuits.<\/li>\n<li><strong>Reliability:<\/strong> The ability of a relay to operate correctly when a fault occurs.<\/li>\n<li><strong>Economy:<\/strong> The cost of the relay should be reasonable in relation to its benefits.<\/li>\n<li><strong>Simplicity:<\/strong> The relay should be easy to understand and operate.<\/li>\n<li><strong>High speed:<\/strong> The relay should operate quickly enough to clear a fault before it causes extensive damage.<\/li>\n<\/ul>\n<p>All of these factors are important in the design of an efficient and well-designed protective relaying system.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;good selectivity and reliability&#8221; option2=&#8221;economy and simplicity&#8221; option3=&#8221;high speed and selectivity&#8221; option4=&#8221;all of the above&#8221; correct=&#8221;option4&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[962],"tags":[],"class_list":["post-58499","post","type-post","status-publish","format-standard","hentry","category-switchgear-protections","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>An efficient and a well designed protective relaying should have<\/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\/an-efficient-and-a-well-designed-protective-relaying-should-have\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"An efficient and a well designed protective relaying should have\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;good selectivity and reliability&#8221; 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