{"id":153124,"date":"2023-07-28T13:11:27","date_gmt":"2023-07-28T07:41:27","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=153124"},"modified":"2023-07-28T13:11:27","modified_gmt":"2023-07-28T07:41:27","slug":"a-room-having-dimension-12-m-x-10-m-x-3-5-m-is-required-to-be-mechanically-ventilated-by-air-conditioner-the-temperature-difference-between-outdoor-ambient-air-and-the-supply-air","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/a-room-having-dimension-12-m-x-10-m-x-3-5-m-is-required-to-be-mechanically-ventilated-by-air-conditioner-the-temperature-difference-between-outdoor-ambient-air-and-the-supply-air\/","title":{"rendered":"A room having dimension 12 m \u00d7 10 m \u00d7 3.5 m is required to be mechanically ventilated by air-conditioner. The temperature difference between outdoor ambient air and the supply air"},"content":{"rendered":"\n<p>Q. A room having dimension 12 m \u00d7 10 m \u00d7 3.5 m is required to be mechanically ventilated by air-conditioner. The temperature difference between outdoor ambient air and the supply air is 12 \u00b0C. Consider three air exchanges per hour. The volumetric specific heat of the air is 1250 J\/m<sup>3<\/sup> \u00b0C. Assume one ton of refrigeration (TR) is equal to 3.5 kW. The capacity of the air-conditioner for the room in TR will be\u00a0_____________.<\/p>\n\n\n\n<p>A. 2.5<\/p>\n\n\n\n<p><strong>B. 1.5<\/strong><\/p>\n\n\n\n<p>C. 0.5<\/p>\n\n\n\n<p>D. 3.5<\/p>\n\n\n\n<p>Ans: <strong>1.5<\/strong><\/p>\n\n\n\n<p>Solution: <\/p>\n\n\n\n<p>Rate of ventilation&nbsp;= (12 \u00d7 10 \u00d7 3.5 \u00d7 3)\/3600=0.35<\/p>\n\n\n\n<p>Cooling load = 1250 \u00d7 0.35 \u00d7 12 = 5.25 kw = 1.5 TR<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Q. A room having dimension 12 m \u00d7 10 m \u00d7 3.5 m is required to be mechanically ventilated by air-conditioner. The temperature difference between outdoor ambient air and the supply air is 12 \u00b0C. Consider three air exchanges per hour. The volumetric specific heat of the air is 1250 J\/m3 \u00b0C. Assume one ton [&hellip;]<\/p>\n","protected":false},"author":419,"featured_media":153139,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5141],"tags":[5140],"class_list":["post-153124","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gate","tag-gate-questions"],"_links":{"self":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/153124","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/users\/419"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/comments?post=153124"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/153124\/revisions"}],"predecessor-version":[{"id":153140,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/153124\/revisions\/153140"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/153139"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=153124"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=153124"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=153124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}