{"id":87588,"date":"2025-06-01T06:48:17","date_gmt":"2025-06-01T06:48:17","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87588"},"modified":"2025-06-01T06:48:17","modified_gmt":"2025-06-01T06:48:17","slug":"which-one-of-the-following-metals-is-alloyed-with-sodium-to-transfer-h","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-metals-is-alloyed-with-sodium-to-transfer-h\/","title":{"rendered":"Which one of the following metals is alloyed with sodium to transfer h"},"content":{"rendered":"<p>Which one of the following metals is alloyed with sodium to transfer heat in a nuclear reactor ?<\/p>\n<p>[amp_mcq option1=&#8221;Potassium&#8221; option2=&#8221;Calcium&#8221; option3=&#8221;Magnesium&#8221; option4=&#8221;Strontium&#8221; correct=&#8221;option1&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC NDA-1 &#8211; 2018<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-nda-1-2018.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-nda-1-2018\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nLiquid metals, particularly alloys of Sodium and Potassium (NaK), are used as coolants in certain types of nuclear reactors, especially fast breeder reactors, because they have high thermal conductivity and remain liquid over a wide temperature range. The NaK alloy is used to transfer heat from the reactor core. Therefore, Potassium is the metal alloyed with sodium for this purpose among the given options.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nSodium-Potassium (NaK) alloy is a common liquid metal coolant in nuclear reactors due to its excellent heat transfer properties.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nNaK alloys are eutectic, meaning they have a lower melting point than either sodium or potassium individually, making them liquid at room temperature (for certain compositions). This is advantageous for starting up and shutting down the reactor.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which one of the following metals is alloyed with sodium to transfer heat in a nuclear reactor ? [amp_mcq option1=&#8221;Potassium&#8221; option2=&#8221;Calcium&#8221; option3=&#8221;Magnesium&#8221; option4=&#8221;Strontium&#8221; correct=&#8221;option1&#8243;] This question was previously asked in UPSC NDA-1 &#8211; 2018 Download PDFAttempt Online Liquid metals, particularly alloys of Sodium and Potassium (NaK), are used as coolants in certain types of nuclear &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which one of the following metals is alloyed with sodium to transfer h\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-metals-is-alloyed-with-sodium-to-transfer-h\/#more-87588\">Detailed Solution<span class=\"screen-reader-text\">Which one of the following metals is alloyed with sodium to transfer h<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1093],"tags":[1114,1096,1109],"class_list":["post-87588","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-1","tag-1114","tag-chemistry","tag-metals-minerals-ores-properties-uses","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>Which one of the following metals is alloyed with sodium to transfer h<\/title>\n<meta name=\"description\" content=\"Liquid metals, particularly alloys of Sodium and Potassium (NaK), are used as coolants in certain types of nuclear reactors, especially fast breeder reactors, because they have high thermal conductivity and remain liquid over a wide temperature range. The NaK alloy is used to transfer heat from the reactor core. Therefore, Potassium is the metal alloyed with sodium for this purpose among the given options. Sodium-Potassium (NaK) alloy is a common liquid metal coolant in nuclear reactors due to its excellent heat transfer properties.\" \/>\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\/which-one-of-the-following-metals-is-alloyed-with-sodium-to-transfer-h\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which one of the following metals is alloyed with sodium to transfer h\" \/>\n<meta property=\"og:description\" content=\"Liquid metals, particularly alloys of Sodium and Potassium (NaK), are used as coolants in certain types of nuclear reactors, especially fast breeder reactors, because they have high thermal conductivity and remain liquid over a wide temperature range. The NaK alloy is used to transfer heat from the reactor core. Therefore, Potassium is the metal alloyed with sodium for this purpose among the given options. Sodium-Potassium (NaK) alloy is a common liquid metal coolant in nuclear reactors due to its excellent heat transfer properties.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-metals-is-alloyed-with-sodium-to-transfer-h\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T06:48:17+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Which one of the following metals is alloyed with sodium to transfer h","description":"Liquid metals, particularly alloys of Sodium and Potassium (NaK), are used as coolants in certain types of nuclear reactors, especially fast breeder reactors, because they have high thermal conductivity and remain liquid over a wide temperature range. The NaK alloy is used to transfer heat from the reactor core. Therefore, Potassium is the metal alloyed with sodium for this purpose among the given options. Sodium-Potassium (NaK) alloy is a common liquid metal coolant in nuclear reactors due to its excellent heat transfer properties.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-metals-is-alloyed-with-sodium-to-transfer-h\/","og_locale":"en_US","og_type":"article","og_title":"Which one of the following metals is alloyed with sodium to transfer h","og_description":"Liquid metals, particularly alloys of Sodium and Potassium (NaK), are used as coolants in certain types of nuclear reactors, especially fast breeder reactors, because they have high thermal conductivity and remain liquid over a wide temperature range. The NaK alloy is used to transfer heat from the reactor core. Therefore, Potassium is the metal alloyed with sodium for this purpose among the given options. Sodium-Potassium (NaK) alloy is a common liquid metal coolant in nuclear reactors due to its excellent heat transfer properties.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-metals-is-alloyed-with-sodium-to-transfer-h\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T06:48:17+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-metals-is-alloyed-with-sodium-to-transfer-h\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-metals-is-alloyed-with-sodium-to-transfer-h\/","name":"Which one of the following metals is alloyed with sodium to transfer h","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T06:48:17+00:00","dateModified":"2025-06-01T06:48:17+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Liquid metals, particularly alloys of Sodium and Potassium (NaK), are used as coolants in certain types of nuclear reactors, especially fast breeder reactors, because they have high thermal conductivity and remain liquid over a wide temperature range. The NaK alloy is used to transfer heat from the reactor core. Therefore, Potassium is the metal alloyed with sodium for this purpose among the given options. Sodium-Potassium (NaK) alloy is a common liquid metal coolant in nuclear reactors due to its excellent heat transfer properties.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-metals-is-alloyed-with-sodium-to-transfer-h\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-metals-is-alloyed-with-sodium-to-transfer-h\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-metals-is-alloyed-with-sodium-to-transfer-h\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC NDA-1","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-nda-1\/"},{"@type":"ListItem","position":3,"name":"Which one of the following metals is alloyed with sodium to transfer h"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/87588","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=87588"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/87588\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=87588"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=87588"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=87588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}