{"id":199095,"date":"2025-03-10T18:04:25","date_gmt":"2025-03-10T18:04:25","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=199095"},"modified":"2025-03-10T18:04:28","modified_gmt":"2025-03-10T18:04:28","slug":"which-type-of-dam-is-constructed-as-a-concrete-or-masonry-wall-across-a-valley-3","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/03\/10\/which-type-of-dam-is-constructed-as-a-concrete-or-masonry-wall-across-a-valley-3\/","title":{"rendered":"Which type of dam is constructed as a concrete or masonry wall across a valley"},"content":{"rendered":"\n<p>Which type of dam is constructed as a concrete or masonry wall across a valley?<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A) Arch Dam<\/li>\n\n\n\n<li>B) Gravity Dam<\/li>\n\n\n\n<li>C) Embankment Dam<\/li>\n\n\n\n<li>D) Buttress Dam<\/li>\n<\/ul>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\">The correct answer and explanation is:<\/mark><\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Correct Answer:<\/h3>\n\n\n\n<p><strong>B) Gravity Dam<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>A <strong>gravity dam<\/strong> is a type of dam constructed as a massive concrete or masonry wall across a valley. It relies on its own weight to resist the force of water pushing against it. The design of a gravity dam ensures stability by utilizing the force of gravity to hold it in place, preventing overturning or sliding.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Key Features of a Gravity Dam:<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Massive Structure:<\/strong> Gravity dams are typically made of concrete or masonry, with a thick base that gradually narrows towards the top.<\/li>\n\n\n\n<li><strong>Resists Water Pressure:<\/strong> The weight of the dam counteracts the horizontal thrust of water.<\/li>\n\n\n\n<li><strong>Durability:<\/strong> These dams are highly durable and can last for centuries with proper maintenance.<\/li>\n\n\n\n<li><strong>Suitable Locations:<\/strong> Gravity dams are best suited for narrow valleys with strong bedrock foundations that can support their weight.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Advantages:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Long Lifespan:<\/strong> Since they are made of concrete or masonry, they are resistant to erosion and degradation over time.<\/li>\n\n\n\n<li><strong>Minimal Maintenance:<\/strong> Unlike embankment dams, gravity dams require less frequent repairs.<\/li>\n\n\n\n<li><strong>High Structural Strength:<\/strong> Can withstand large water pressures and external forces like earthquakes.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Disadvantages:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>High Construction Cost:<\/strong> Requires a significant amount of materials and labor.<\/li>\n\n\n\n<li><strong>Longer Construction Time:<\/strong> Due to their size and structural complexity, gravity dams take more time to build.<\/li>\n\n\n\n<li><strong>Foundation Requirements:<\/strong> They need a solid rock foundation to ensure stability.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Examples of Gravity Dams:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Hoover Dam (USA)<\/strong><\/li>\n\n\n\n<li><strong>Bhakra Dam (India)<\/strong><\/li>\n\n\n\n<li><strong>Grand Coulee Dam (USA)<\/strong><\/li>\n\n\n\n<li><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Which type of dam is constructed as a concrete or masonry wall across a valley? The correct answer and explanation is: Correct Answer: B) Gravity Dam Explanation: A gravity dam is a type of dam constructed as a massive concrete or masonry wall across a valley. It relies on its own weight to resist the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","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-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-199095","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/199095","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=199095"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/199095\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=199095"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=199095"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=199095"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}