{"id":6147,"date":"2024-04-15T02:24:33","date_gmt":"2024-04-15T02:24:33","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=6147"},"modified":"2024-04-15T02:24:33","modified_gmt":"2024-04-15T02:24:33","slug":"in-any-good-staircase-the-maximum-and-minimum-pitch-respectively-should-be-a-90a-and-0a-b-75a-and-30a-c-60a-and-10a-d-40a-and-25a","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/in-any-good-staircase-the-maximum-and-minimum-pitch-respectively-should-be-a-90a-and-0a-b-75a-and-30a-c-60a-and-10a-d-40a-and-25a\/","title":{"rendered":"In any good staircase, the maximum and minimum pitch respectively should be A. 90\u00c2\u00b0 and 0\u00c2\u00b0 B. 75\u00c2\u00b0 and 30\u00c2\u00b0 C. 60\u00c2\u00b0 and 10\u00c2\u00b0 D. 40\u00c2\u00b0 and 25\u00c2\u00b0"},"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_6a9c25382d3d3\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    90\u00c2\u00b0 and 0\u00c2\u00b0                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    75\u00c2\u00b0 and 30\u00c2\u00b0                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"true\">\r\n                    60\u00c2\u00b0 and 10\u00c2\u00b0                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    40\u00c2\u00b0 and 25\u00c2\u00b0                <\/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: C. 60\u00c2\u00b0 and 10\u00c2\u00b0.<\/p>\n<p>The pitch of a staircase is the ratio of the rise to the run. The rise is the vertical distance between two consecutive treads, and the run is the horizontal distance between the two treads. The maximum pitch of a staircase is 60\u00c2\u00b0, and the minimum pitch is 10\u00c2\u00b0. A staircase with a pitch greater than 60\u00c2\u00b0 is considered to be too steep and dangerous, while a staircase with a pitch less than 10\u00c2\u00b0 is considered to be too shallow and difficult to use.<\/p>\n<p>Option A is incorrect because 90\u00c2\u00b0 is a right angle, and a staircase with a right angle would <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 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60\u00c2\u00b0.<\/p>\n<p>Option D is incorrect because 40\u00c2\u00b0 is less than the minimum pitch of 10\u00c2\u00b0.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>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":[643],"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>In any good staircase, the maximum and minimum pitch respectively should be A. 90\u00c2\u00b0 and 0\u00c2\u00b0 B. 75\u00c2\u00b0 and 30\u00c2\u00b0 C. 60\u00c2\u00b0 and 10\u00c2\u00b0 D. 40\u00c2\u00b0 and 25\u00c2\u00b0<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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