{"id":6463,"date":"2024-04-15T02:29:04","date_gmt":"2024-04-15T02:29:04","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=6463"},"modified":"2024-04-15T02:29:04","modified_gmt":"2024-04-15T02:29:04","slug":"the-cracks-caused-by-shrinkage-of-the-exterior-surface-of-the-wood-exposed-to-atmosphere-are-called-a-radial-shakes-b-heart-shakes-c-wind-cracks-d-twisted-fibres","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-cracks-caused-by-shrinkage-of-the-exterior-surface-of-the-wood-exposed-to-atmosphere-are-called-a-radial-shakes-b-heart-shakes-c-wind-cracks-d-twisted-fibres\/","title":{"rendered":"The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called: A. Radial shakes B. Heart shakes C. Wind cracks D. Twisted fibres"},"content":{"rendered":"<p>\r\n    <!-- Check if it's an AMP page -->\r\n            <!-- Non-AMP version -->\r\n        <div class=\"mcq-container\" data-quiz-id=\"quizState_6a9e1eb552ea1\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"true\">\r\n                    Radial shakes                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    Heart shakes                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    Wind cracks                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    Twisted fibres                <\/div>\r\n                            \r\n            <!-- Feedback messages for non-AMP -->\r\n            <div class=\"feedback\" data-feedback=\"wrong\">Answer is Right!<\/div>\r\n            <div class=\"feedback\" data-feedback=\"right\">Answer is Wrong!<\/div>\r\n        <\/div>\r\n\r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var containers = document.querySelectorAll('.mcq-container');\r\n\r\n            containers.forEach(function(container) {\r\n                var options = container.querySelectorAll('.option');\r\n                var feedbackSelect = container.querySelector('[data-feedback=\"select\"]');\r\n                var feedbackWrong = container.querySelector('[data-feedback=\"wrong\"]');\r\n                var feedbackRight = container.querySelector('[data-feedback=\"right\"]');\r\n\r\n                options.forEach(function(option) {\r\n                    option.addEventListener('click', function() {\r\n                        var selectedOption = option.getAttribute('data-option-key');\r\n                        var isCorrect = option.getAttribute('data-is-correct') === 'true';\r\n\r\n                        \/\/ Remove previous selections\r\n                        options.forEach(function(opt) {\r\n                            opt.classList.remove('correct', 'incorrect');\r\n                        });\r\n\r\n                        \/\/ Add the correct\/incorrect class\r\n                        if (isCorrect) {\r\n                            option.classList.add('correct');\r\n                            feedbackRight.hidden = false;\r\n                            feedbackWrong.hidden = true;\r\n                        } else {\r\n                            option.classList.add('incorrect');\r\n                            feedbackRight.hidden = true;\r\n                            feedbackWrong.hidden = false;\r\n                        }\r\n\r\n                        \/\/ Hide select feedback\r\n                        feedbackSelect.hidden = true;\r\n                    });\r\n                });\r\n            });\r\n        });\r\n        <\/script>\r\n    \r\n    <!--more--><\/p>\n<p>The correct answer is: A. Radial shakes.<\/p>\n<p>Radial shakes are cracks that occur in the wood perpendicular to the <div class=\"youtube-subscribe-container\">\r\n        <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> growth rings. They are caused by shrinkage of the exterior surface of the wood exposed to the atmosphere. The wood shrinks more on the outside than on the inside, which causes the wood to split.<\/p>\n<p>Heart shakes are cracks that occur in the heartwood of the tree. They are caused by a number of factors, including drying stresses, decay, and insect damage.<\/p>\n<p>Wind cracks are cracks that occur <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div> in the wood when it is subjected to strong winds. The wind causes the wood to bend and twist, which can cause the wood to crack.<\/p>\n<p>Twisted fibres are a type of defect that occurs in the wood when the fibres are not aligned properly. This can be caused by a number of factors, including improper drying, handling, and machining.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Join Our Telegram Channel Subscribe on YouTube<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[644],"tags":[],"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>The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called: A. Radial shakes B. Heart shakes C. Wind cracks D. Twisted fibres<\/title>\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\/the-cracks-caused-by-shrinkage-of-the-exterior-surface-of-the-wood-exposed-to-atmosphere-are-called-a-radial-shakes-b-heart-shakes-c-wind-cracks-d-twisted-fibres\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called: A. Radial shakes B. Heart shakes C. Wind cracks D. Twisted fibres\" \/>\n<meta property=\"og:description\" content=\"Join Our Telegram Channel Subscribe on YouTube\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/the-cracks-caused-by-shrinkage-of-the-exterior-surface-of-the-wood-exposed-to-atmosphere-are-called-a-radial-shakes-b-heart-shakes-c-wind-cracks-d-twisted-fibres\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-15T02:29:04+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":"The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called: A. Radial shakes B. Heart shakes C. Wind cracks D. Twisted fibres","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\/the-cracks-caused-by-shrinkage-of-the-exterior-surface-of-the-wood-exposed-to-atmosphere-are-called-a-radial-shakes-b-heart-shakes-c-wind-cracks-d-twisted-fibres\/","og_locale":"en_US","og_type":"article","og_title":"The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called: A. Radial shakes B. Heart shakes C. Wind cracks D. Twisted fibres","og_description":"Join Our Telegram Channel Subscribe on YouTube","og_url":"https:\/\/exam.pscnotes.com\/mcq\/the-cracks-caused-by-shrinkage-of-the-exterior-surface-of-the-wood-exposed-to-atmosphere-are-called-a-radial-shakes-b-heart-shakes-c-wind-cracks-d-twisted-fibres\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2024-04-15T02:29:04+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\/the-cracks-caused-by-shrinkage-of-the-exterior-surface-of-the-wood-exposed-to-atmosphere-are-called-a-radial-shakes-b-heart-shakes-c-wind-cracks-d-twisted-fibres\/","url":"https:\/\/exam.pscnotes.com\/mcq\/the-cracks-caused-by-shrinkage-of-the-exterior-surface-of-the-wood-exposed-to-atmosphere-are-called-a-radial-shakes-b-heart-shakes-c-wind-cracks-d-twisted-fibres\/","name":"The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called: A. Radial shakes B. Heart shakes C. Wind cracks D. Twisted fibres","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2024-04-15T02:29:04+00:00","dateModified":"2024-04-15T02:29:04+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/the-cracks-caused-by-shrinkage-of-the-exterior-surface-of-the-wood-exposed-to-atmosphere-are-called-a-radial-shakes-b-heart-shakes-c-wind-cracks-d-twisted-fibres\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/the-cracks-caused-by-shrinkage-of-the-exterior-surface-of-the-wood-exposed-to-atmosphere-are-called-a-radial-shakes-b-heart-shakes-c-wind-cracks-d-twisted-fibres\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/the-cracks-caused-by-shrinkage-of-the-exterior-surface-of-the-wood-exposed-to-atmosphere-are-called-a-radial-shakes-b-heart-shakes-c-wind-cracks-d-twisted-fibres\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"mcq","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/"},{"@type":"ListItem","position":3,"name":"Civil engineering","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/civil-engineering\/"},{"@type":"ListItem","position":4,"name":"Building materials","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/civil-engineering\/building-materials\/"},{"@type":"ListItem","position":5,"name":"The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called: A. Radial shakes B. Heart shakes C. Wind cracks D. Twisted fibres"}]},{"@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\/d97f17072bfa490596c8f78363955d55?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/d97f17072bfa490596c8f78363955d55?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\/6463"}],"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=6463"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/6463\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=6463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=6463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=6463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}