{"id":7363,"date":"2024-04-15T02:43:38","date_gmt":"2024-04-15T02:43:38","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=7363"},"modified":"2024-04-15T02:43:38","modified_gmt":"2024-04-15T02:43:38","slug":"v-and-r-are-the-regime-mean-velocity-and-hydraulic-mean-depth-respectively-in-meters-laceys-silt-factor-f-is-a-frac2textv2sqrt-3-textr-b-frac3textv2","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/v-and-r-are-the-regime-mean-velocity-and-hydraulic-mean-depth-respectively-in-meters-laceys-silt-factor-f-is-a-frac2textv2sqrt-3-textr-b-frac3textv2\/","title":{"rendered":"V and R are the regime mean velocity and hydraulic mean depth respectively in meters. Lacey&#8217;s silt factor f is A. $$\\frac{{2{{\\text{V}}^2}}}{{\\sqrt 3 {\\text{R}}}}$$ B. $$\\frac{{3{{\\text{V}}^2}}}{{4{\\text{R}}}}$$ C. $$\\frac{{5{{\\text{V}}^2}}}{{2{\\text{R}}}}$$ D. $$\\frac{{2{{\\text{V}}^2}}}{{5{\\text{R}}}}$$"},"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_6a99aeefbfa78\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"true\">\r\n                    $$\frac{{2{{\text{V}}^2}}}{{sqrt 3 {\text{R}}}}$$                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    $$\frac{{3{{\text{V}}^2}}}{{4{\text{R}}}}$$                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    $$\frac{{5{{\text{V}}^2}}}{{2{\text{R}}}}$$                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    $$\frac{{2{{\text{V}}^2}}}{{5{\text{R}}}}$$                <\/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 $\\frac{{2{{\\text{V}}^2}}}{{\\sqrt 3 {\\text{R}}}}$.<\/p>\n<p>Lacey&#8217;s silt factor is a dimensionless number that is used to estimate the sediment transport capacity of a stream. It is defined as follows:<\/p>\n<p>$$f = \\frac{{2{{\\text{V}}^2}}}{{\\sqrt 3 {\\text{R}}}}$$<\/p>\n<p>where $V$ is the mean velocity of the stream in meters per second and $R$ is the hydraulic mean depth of the stream in meters.<\/p>\n<p>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> silt factor is a function of the sediment size, the stream slope, and the stream bed material. It is typically determined empirically by comparing the measured sediment transport rate to the predicted sediment transport rate based on the silt factor.<\/p>\n<p>The silt factor is an important parameter in the design of hydraulic structures, such as dams and levees. It is also used in the prediction of sediment transport in rivers and streams.<\/p>\n<p>The <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> other options are incorrect because they do not represent the correct definition of Lacey&#8217;s silt factor.<\/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":[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>V and R are the regime mean velocity and hydraulic mean depth respectively in meters. Lacey&#039;s silt factor f is A. $$\\frac{{2{{\\text{V}}^2}}}{{\\sqrt 3 {\\text{R}}}}$$ B. $$\\frac{{3{{\\text{V}}^2}}}{{4{\\text{R}}}}$$ C. $$\\frac{{5{{\\text{V}}^2}}}{{2{\\text{R}}}}$$ D. $$\\frac{{2{{\\text{V}}^2}}}{{5{\\text{R}}}}$$<\/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\/v-and-r-are-the-regime-mean-velocity-and-hydraulic-mean-depth-respectively-in-meters-laceys-silt-factor-f-is-a-frac2textv2sqrt-3-textr-b-frac3textv2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"V and R are the regime mean velocity and hydraulic mean depth respectively in meters. Lacey&#039;s silt factor f is A. $$\\frac{{2{{\\text{V}}^2}}}{{\\sqrt 3 {\\text{R}}}}$$ B. $$\\frac{{3{{\\text{V}}^2}}}{{4{\\text{R}}}}$$ C. $$\\frac{{5{{\\text{V}}^2}}}{{2{\\text{R}}}}$$ D. $$\\frac{{2{{\\text{V}}^2}}}{{5{\\text{R}}}}$$\" \/>\n<meta property=\"og:description\" content=\"Subscribe on YouTube\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/v-and-r-are-the-regime-mean-velocity-and-hydraulic-mean-depth-respectively-in-meters-laceys-silt-factor-f-is-a-frac2textv2sqrt-3-textr-b-frac3textv2\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-15T02:43:38+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":"V and R are the regime mean velocity and hydraulic mean depth respectively in meters. Lacey's silt factor f is A. $$\\frac{{2{{\\text{V}}^2}}}{{\\sqrt 3 {\\text{R}}}}$$ B. $$\\frac{{3{{\\text{V}}^2}}}{{4{\\text{R}}}}$$ C. $$\\frac{{5{{\\text{V}}^2}}}{{2{\\text{R}}}}$$ D. $$\\frac{{2{{\\text{V}}^2}}}{{5{\\text{R}}}}$$","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\/v-and-r-are-the-regime-mean-velocity-and-hydraulic-mean-depth-respectively-in-meters-laceys-silt-factor-f-is-a-frac2textv2sqrt-3-textr-b-frac3textv2\/","og_locale":"en_US","og_type":"article","og_title":"V and R are the regime mean velocity and hydraulic mean depth respectively in meters. Lacey's silt factor f is A. $$\\frac{{2{{\\text{V}}^2}}}{{\\sqrt 3 {\\text{R}}}}$$ B. $$\\frac{{3{{\\text{V}}^2}}}{{4{\\text{R}}}}$$ C. $$\\frac{{5{{\\text{V}}^2}}}{{2{\\text{R}}}}$$ D. $$\\frac{{2{{\\text{V}}^2}}}{{5{\\text{R}}}}$$","og_description":"Subscribe on YouTube","og_url":"https:\/\/exam.pscnotes.com\/mcq\/v-and-r-are-the-regime-mean-velocity-and-hydraulic-mean-depth-respectively-in-meters-laceys-silt-factor-f-is-a-frac2textv2sqrt-3-textr-b-frac3textv2\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2024-04-15T02:43:38+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\/v-and-r-are-the-regime-mean-velocity-and-hydraulic-mean-depth-respectively-in-meters-laceys-silt-factor-f-is-a-frac2textv2sqrt-3-textr-b-frac3textv2\/","url":"https:\/\/exam.pscnotes.com\/mcq\/v-and-r-are-the-regime-mean-velocity-and-hydraulic-mean-depth-respectively-in-meters-laceys-silt-factor-f-is-a-frac2textv2sqrt-3-textr-b-frac3textv2\/","name":"V and R are the regime mean velocity and hydraulic mean depth respectively in meters. 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