Civil Engineering :: Hydraulics
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The ratio of time for completely emptying the hemispherical tank and circular horizontal tank of equal radii both fitted with similar orifices at their bottoms is :
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An open container filled with water is moved vertically upward with a uniform linear acceleration. The pressure at its bottom will be
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The gases are considered incompressible if Match number is
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The flow in which each liquid particle has a definite path and the paths of adjacent particles do not cross each other, is called
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To replace a pipe of diameter D by n parallel pipes of diameter d, the formula is
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The dimensionless parameter not applicable to flowing liquids, is
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The pressure rise due to water hammer depends upon
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In a two dimensional flow if the components of the velocity are u = ax ; v = by, the point where no motion occurs, is known as
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Most economical section of a circular channel for maximum velocity, is if,
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For a most economical rectangular channel, the width of the channel must be
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