{"id":7538,"date":"2024-04-15T02:46:32","date_gmt":"2024-04-15T02:46:32","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=7538"},"modified":"2024-04-15T02:46:32","modified_gmt":"2024-04-15T02:46:32","slug":"for-designing-the-venturi-head-a-width-of-the-throat-should-not-be-less-than-one-third-of-the-bed-width-of-main-canal-b-length-of-the-throat-should-be-2-5-times-the-depth-measured-to-f-s-l-in-the","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/for-designing-the-venturi-head-a-width-of-the-throat-should-not-be-less-than-one-third-of-the-bed-width-of-main-canal-b-length-of-the-throat-should-be-2-5-times-the-depth-measured-to-f-s-l-in-the\/","title":{"rendered":"For designing the venturi head, A. Width of the throat should not be less than one-third of the bed width of main canal B. Length of the throat should be 2.5 times the depth measured to F.S.L. in the main canal C. Minimum throat width should not be less than 60 cm D. All the above"},"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_6a99360bd835a\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    Width of the throat should not be less than one-third of the bed width of main canal                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    Length of the throat should be 2.5 times the depth measured to F.S.L. in the main canal                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    Minimum throat width should not be less than 60 cm                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"true\">\r\n                    All the above                <\/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 D. All the above.<\/p>\n<p>The width of the throat should not be less than one-third of the bed width of main canal. This is to ensure that the flow through the venturi meter is uniform. If the width of the throat is too small, the flow will be turbulent and the head loss will be greater.<\/p>\n<p>The length <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> of the throat should be 2.5 times the depth measured to F.S.L. in the main canal. This is to ensure that the pressure drop across the venturi meter is sufficient to measure <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> the flow rate accurately. If the length of the throat is too short, the pressure drop will be too small and the flow rate will be underestimated.<\/p>\n<p>The minimum throat width should not be less than 60 cm. This is to ensure that the venturi meter is able to handle the maximum flow rate that is expected. If the throat width is too small, the venturi meter will be choked and the flow rate will be underestimated.<\/p>\n<p>In addition to the above, the following should also be considered when designing a venturi head:<\/p>\n<ul>\n<li>The material of the venturi head should be corrosion-resistant.<\/li>\n<li>The venturi head should be installed in a straight section of the canal.<\/li>\n<li>The venturi head should be properly aligned with the flow.<\/li>\n<li>The venturi head should be properly sealed to prevent leakage.<\/li>\n<\/ul>\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":[649],"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>For designing the venturi head, A. 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