{"id":93007,"date":"2025-06-01T11:38:31","date_gmt":"2025-06-01T11:38:31","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=93007"},"modified":"2025-06-01T11:38:31","modified_gmt":"2025-06-01T11:38:31","slug":"what-should-be-the-maximum-gap-between-the-wires-metal-members-in-case","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/what-should-be-the-maximum-gap-between-the-wires-metal-members-in-case\/","title":{"rendered":"What should be the maximum gap between the wires\/metal members in case"},"content":{"rendered":"<p>What should be the maximum gap between the wires\/metal members in case of fence for perimeter security to preclude the possibility of unfettered movement of objects to and from the facility?<\/p>\n<p>[amp_mcq option1=&#8221;8&quot;&#8221; option2=&#8221;6&quot;&#8221; option3=&#8221;10&quot;&#8221; option4=&#8221;12&quot;&#8221; correct=&#8221;option2&#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 CISF-AC-EXE &#8211; 2021<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-cisf-ac-exe-2021.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-cisf-ac-exe-2021\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nFor perimeter security fencing, especially for critical infrastructure or high-security areas, the gap between vertical and horizontal members needs to be small enough to prevent a person from climbing through or passing objects through easily. While specific standards vary depending on the security level, a gap of 6 inches (approximately 15 cm) is a common and widely accepted maximum size for high-security fences like chain-link or welded mesh to effectively preclude the passage of a human body or significant objects. Larger gaps like 8&#8243;, 10&#8243;, or 12&#8243; would compromise the effectiveness of the barrier.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nPerimeter security fence design, including mesh size or gap between members, is critical to its effectiveness as a physical barrier against intrusion and passage of objects. Smaller gaps provide higher security.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nPerimeter security fences are often part of a layered security system that includes detection systems (sensors), surveillance (CCTV), and response mechanisms. The physical barrier&#8217;s effectiveness is measured by its ability to delay or prevent penetration. Standards from organizations like ASTM (American Society for Testing and Materials) or government agencies specify requirements for various security levels.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>What should be the maximum gap between the wires\/metal members in case of fence for perimeter security to preclude the possibility of unfettered movement of objects to and from the facility? [amp_mcq option1=&#8221;8&quot;&#8221; option2=&#8221;6&quot;&#8221; option3=&#8221;10&quot;&#8221; option4=&#8221;12&quot;&#8221; correct=&#8221;option2&#8243;] This question was previously asked in UPSC CISF-AC-EXE &#8211; 2021 Download PDFAttempt Online For perimeter security fencing, especially &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"What should be the maximum gap between the wires\/metal members in case\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/what-should-be-the-maximum-gap-between-the-wires-metal-members-in-case\/#more-93007\">Detailed Solution<span class=\"screen-reader-text\">What should be the maximum gap between the wires\/metal members in case<\/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":[1089],"tags":[1110,1225],"class_list":["post-93007","post","type-post","status-publish","format-standard","hentry","category-upsc-cisf-ac-exe","tag-1110","tag-defence-technology","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>What should be the maximum gap between the wires\/metal members in case<\/title>\n<meta name=\"description\" content=\"For perimeter security fencing, especially for critical infrastructure or high-security areas, the gap between vertical and horizontal members needs to be small enough to prevent a person from climbing through or passing objects through easily. While specific standards vary depending on the security level, a gap of 6 inches (approximately 15 cm) is a common and widely accepted maximum size for high-security fences like chain-link or welded mesh to effectively preclude the passage of a human body or significant objects. Larger gaps like 8&quot;, 10&quot;, or 12&quot; would compromise the effectiveness of the barrier. Perimeter security fence design, including mesh size or gap between members, is critical to its effectiveness as a physical barrier against intrusion and passage of objects. Smaller gaps provide higher security.\" \/>\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\/what-should-be-the-maximum-gap-between-the-wires-metal-members-in-case\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What should be the maximum gap between the wires\/metal members in case\" \/>\n<meta property=\"og:description\" content=\"For perimeter security fencing, especially for critical infrastructure or high-security areas, the gap between vertical and horizontal members needs to be small enough to prevent a person from climbing through or passing objects through easily. While specific standards vary depending on the security level, a gap of 6 inches (approximately 15 cm) is a common and widely accepted maximum size for high-security fences like chain-link or welded mesh to effectively preclude the passage of a human body or significant objects. Larger gaps like 8&quot;, 10&quot;, or 12&quot; would compromise the effectiveness of the barrier. Perimeter security fence design, including mesh size or gap between members, is critical to its effectiveness as a physical barrier against intrusion and passage of objects. Smaller gaps provide higher security.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/what-should-be-the-maximum-gap-between-the-wires-metal-members-in-case\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T11:38:31+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":"What should be the maximum gap between the wires\/metal members in case","description":"For perimeter security fencing, especially for critical infrastructure or high-security areas, the gap between vertical and horizontal members needs to be small enough to prevent a person from climbing through or passing objects through easily. While specific standards vary depending on the security level, a gap of 6 inches (approximately 15 cm) is a common and widely accepted maximum size for high-security fences like chain-link or welded mesh to effectively preclude the passage of a human body or significant objects. Larger gaps like 8\", 10\", or 12\" would compromise the effectiveness of the barrier. Perimeter security fence design, including mesh size or gap between members, is critical to its effectiveness as a physical barrier against intrusion and passage of objects. Smaller gaps provide higher security.","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\/what-should-be-the-maximum-gap-between-the-wires-metal-members-in-case\/","og_locale":"en_US","og_type":"article","og_title":"What should be the maximum gap between the wires\/metal members in case","og_description":"For perimeter security fencing, especially for critical infrastructure or high-security areas, the gap between vertical and horizontal members needs to be small enough to prevent a person from climbing through or passing objects through easily. While specific standards vary depending on the security level, a gap of 6 inches (approximately 15 cm) is a common and widely accepted maximum size for high-security fences like chain-link or welded mesh to effectively preclude the passage of a human body or significant objects. Larger gaps like 8\", 10\", or 12\" would compromise the effectiveness of the barrier. Perimeter security fence design, including mesh size or gap between members, is critical to its effectiveness as a physical barrier against intrusion and passage of objects. Smaller gaps provide higher security.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/what-should-be-the-maximum-gap-between-the-wires-metal-members-in-case\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T11:38:31+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\/what-should-be-the-maximum-gap-between-the-wires-metal-members-in-case\/","url":"https:\/\/exam.pscnotes.com\/mcq\/what-should-be-the-maximum-gap-between-the-wires-metal-members-in-case\/","name":"What should be the maximum gap between the wires\/metal members in case","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T11:38:31+00:00","dateModified":"2025-06-01T11:38:31+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"For perimeter security fencing, especially for critical infrastructure or high-security areas, the gap between vertical and horizontal members needs to be small enough to prevent a person from climbing through or passing objects through easily. While specific standards vary depending on the security level, a gap of 6 inches (approximately 15 cm) is a common and widely accepted maximum size for high-security fences like chain-link or welded mesh to effectively preclude the passage of a human body or significant objects. Larger gaps like 8\", 10\", or 12\" would compromise the effectiveness of the barrier. Perimeter security fence design, including mesh size or gap between members, is critical to its effectiveness as a physical barrier against intrusion and passage of objects. Smaller gaps provide higher security.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/what-should-be-the-maximum-gap-between-the-wires-metal-members-in-case\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/what-should-be-the-maximum-gap-between-the-wires-metal-members-in-case\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/what-should-be-the-maximum-gap-between-the-wires-metal-members-in-case\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC CISF-AC-EXE","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-cisf-ac-exe\/"},{"@type":"ListItem","position":3,"name":"What should be the maximum gap between the wires\/metal members in case"}]},{"@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\/93007","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=93007"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/93007\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=93007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=93007"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=93007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}