{"id":31050,"date":"2023-09-01T04:02:46","date_gmt":"2023-08-31T22:32:46","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=31050"},"modified":"2025-04-16T08:43:23","modified_gmt":"2025-04-16T03:13:23","slug":"third-rail-current-collector","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/third-rail-current-collector\/","title":{"rendered":"Third Rail Current Collector"},"content":{"rendered":"<h2><strong>About Third Rail Current Collector:\u00a0<\/strong><\/h2>\n<ul>\n<li>The third rail systems are a\u00a0<strong>means of providing electric power to a train<\/strong> through a conductor placed alongside the rails.<\/li>\n<li>Kolkata Metro Railway using steel Third Rail for the last 40 years.<\/li>\n<li>Kolkata Metro Railway has now decided\u00a0<strong>to use composite Aluminium<\/strong> Third Rail in all the upcoming corridors being undertaken for construction along with retro fitment in existing corridor with steel Third Rail.<\/li>\n<li>With this Metro Railway, Kolkata would become the\u00a0<strong>member of elite club of London, Moscow, Berlin, Munich, and Istanbul Metro\u00a0<\/strong>who have also shifted from steel Third Rail to Aluminium Third Rail.<\/li>\n<li>The obvious\u00a0<strong>advantages of aluminium composite<\/strong> Third Rail over steel Third Rail are\n<ul>\n<li>Reduction in resistive current loss and improved Traction voltage level.<\/li>\n<li>Reduced maintenance and life cycle cost.<\/li>\n<li>Improvement in the\u00a0<strong>efficiency of train<\/strong> operations.<\/li>\n<li>Huge \u00a0 \u00a0\u00a0<strong>improvement \u00a0 \u00a0 \u00a0 in Energy\u00a0 Efficiency\u00a0<\/strong>\u00a0\u00a0\u00a0<\/li>\n<li><strong>Reduction\u00a0 \u00a0 \u00a0 in carbon footprint<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<h3>Q1)\u00a0What is Aluminium?<\/h3>\n<p>Aluminium is a chemical element with the symbol Al and atomic number 13. It is a lightweight, silvery-white, and non-ferrous metal, making it a highly valuable material with a wide range of industrial applications.<\/p>\n<p>Source: <a href=\"https:\/\/pib.gov.in\/PressReleasePage.aspx?PRID=1953506\" target=\"_blank\" rel=\"nofollow noopener\"><u>Kolkata Metro Railway is set to become member of elite club of London, Moscow, Berlin, Munich, and Istanbul Metro<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Third Rail Current Collector systems are a means of providing electric power to a train through a conductor placed alongside the rails.<\/p>\n","protected":false},"author":5,"featured_media":31051,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-31050","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/31050","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=31050"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/31050\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/31051"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=31050"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=31050"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=31050"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}