{"id":112503,"date":"2021-04-28T13:25:43","date_gmt":"2021-04-28T13:25:43","guid":{"rendered":"https:\/\/www.edristi.in\/?p=112503"},"modified":"2021-04-28T13:25:43","modified_gmt":"2021-04-28T13:25:43","slug":"drdo-develops-single-crystal-blades-for-helicopter-engines","status":"publish","type":"post","link":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/drdo-develops-single-crystal-blades-for-helicopter-engines\/","title":{"rendered":"DRDO develops single crystal blades for helicopter engines"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Question: Which organisation has developed single-crystal blades technology for helicopters in India?<\/strong><br>(a) DRDO<br>(b) Bharat Earth Movers Ltd<br>(c) Hindustan Aeronautics Ltd<br>(d) Bharat Electronics Ltd<br><strong>Answer: (a)<br>Related facts:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>In a major technological breakthrough, the Defence Research and Development Organisation (DRDO) has developed single crystal blade technology.<\/li><li>DRDO has supplied 60 of these blades to Hindustan Aeronautics Limited (HAL) as part of their indigenous helicopter development programme for engine application.<\/li><li>The DRDO will develop a total of five sets (300 blades) of single-crystal blades.<\/li><li>This is part of a programme taken up by the Defence Metallurgical Research Laboratory (DMRL) to develop five sets of single-crystal high-pressure turbine (HPT) blades using a nickel-based superalloy.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What is single crystal blade technology?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Single crystal blade technology is the game-changing technology breakthroughs that help produce the incredible performance of helicopters for operating at extreme conditions.<\/li><li>Helicopters need compact and powerful aero-engines and to achieve this, state-of-the-art single crystal blades having complex shape and geometry, manufactured out of nickel based super-alloys capable of withstanding high temperatures of operation are used.<\/li><li>Very few countries such as the U.S., the U.K., France and Russia have the capability to design and manufacture such single crystal components<\/li><\/ul>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\"><strong>By-Amar Mani Upadhyay<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Links:<\/strong><br><a href=\"https:\/\/www.thehindu.com\/news\/national\/drdo-develops-critical-crystal-blade-technology-for-aero-engines\/article34415540.ece\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.thehindu.com\/news\/national\/drdo-develops-critical-crystal-blade-technology-for-aero-engines\/article34415540.ece<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Question: Which organisation has developed single-crystal blades technology for helicopters in India?(a) DRDO(b) Bharat Earth Movers Ltd(c) Hindustan Aeronautics Ltd(d) Bharat Electronics LtdAnswer: (a)Related facts: In a major technological breakthrough, the Defence Research and Development Organisation (DRDO) has developed single crystal blade technology. DRDO has supplied 60 of these blades to Hindustan Aeronautics Limited (HAL) [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":112504,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1123],"tags":[3067],"class_list":["post-112503","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-snes","tag-scientific"],"_links":{"self":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts\/112503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/comments?post=112503"}],"version-history":[{"count":1,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts\/112503\/revisions"}],"predecessor-version":[{"id":112505,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts\/112503\/revisions\/112505"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/media\/112504"}],"wp:attachment":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/media?parent=112503"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/categories?post=112503"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/tags?post=112503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}