Civil Engineering :: Hydraulics
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The valve closure is said to be sudden if
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If Re is the Renold's number, the coefficient of friction for laminar flow is
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The length of pipe is L, velocity of flow of a liquid in the pipe is V. If t is the time in second required to close the valve, the head of pressure
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For critical depth of flow of water in open channels, fc the specific energy must be :
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Kinematic viscosity of liquids by equation V = 0.0022t-\( \frac { 1.8 } { t } \)is determined by :
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If the forces are due to inertia and gravity, and frictional resistance plays only a minor role, the design of the channels is made by comparing
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The discharge over a Cipolletti weir of length 2.185 m when the head over the weir is 1 m, is
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The velocity of the fluid particle at the centre of the pipe section, is
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Due to decrease of diameter of the droplet, inside pressure intensity
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In order to avoid capillary correction, the minimum diameter of a manometer used for measuring pressure, should be
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