{"id":177883,"date":"2024-12-21T13:23:01","date_gmt":"2024-12-21T13:23:01","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=177883"},"modified":"2024-12-21T13:23:01","modified_gmt":"2024-12-21T13:23:01","slug":"spring-brakes-come-on","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2024\/12\/21\/spring-brakes-come-on\/","title":{"rendered":"Spring brakes come on"},"content":{"rendered":"\n<p>Spring brakes come on:<br>Answers<br><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>When too much air pressure is lost.<br><\/strong><\/mark>When a control on the dashboard is activated.<br>When the tires have minimal tread depth.<br>When the brakes are noisy.<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-3-color\"><strong>The Correct Answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n<p>The correct answer is <strong>&#8220;When too much air pressure is lost.&#8221;<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>Spring brakes are part of an air brake system, commonly used in heavy-duty vehicles like trucks, buses, and large vehicles. These systems are designed to automatically engage the brakes when the air pressure falls below a certain level, ensuring the vehicle remains stationary if there&#8217;s a failure in the air brake system.<\/p>\n\n\n\n<p><strong>Air Pressure Loss:<\/strong><br>In an air brake system, air is used to pressurize the braking system, which is responsible for applying the brakes. If the air pressure drops too low\u2014below a critical threshold\u2014the spring brakes will automatically engage. This is a safety feature designed to prevent the vehicle from rolling away if there&#8217;s a problem with the air system, such as a leak or failure. The springs in the system will apply the brakes in the absence of sufficient air pressure.<\/p>\n\n\n\n<p><strong>Why Not Other Options:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>When a control on the dashboard is activated:<\/strong> This is more typical of a parking brake lever or button, but spring brakes engage automatically when air pressure is low, not when manually activated.<\/li>\n\n\n\n<li><strong>When the tires have minimal tread depth:<\/strong> Low tire tread depth affects traction and braking efficiency but does not directly trigger spring brake activation.<\/li>\n\n\n\n<li><strong>When the brakes are noisy:<\/strong> Noisy brakes typically indicate wear, dirt, or other issues but do not directly affect the spring brakes&#8217; activation mechanism.<\/li>\n<\/ul>\n\n\n\n<p>In summary, the spring brakes are designed to automatically activate when air pressure falls too low, acting as a fail-safe to prevent accidents or unintended movement. This system ensures that the vehicle stays safely stopped in the event of an air pressure failure.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Spring brakes come on:AnswersWhen too much air pressure is lost.When a control on the dashboard is activated.When the tires have minimal tread depth.When the brakes are noisy. The Correct Answer and Explanation is : The correct answer is &#8220;When too much air pressure is lost.&#8221; Explanation: Spring brakes are part of an air brake system, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","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-5)","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-5)","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-5)","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":[25],"tags":[],"class_list":["post-177883","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/177883","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=177883"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/177883\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=177883"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=177883"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=177883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}