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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A.
\(\frac { n } { 3 } \)\( [\frac { (4/3RH1^3/2 -2/5H^3/2} {( 2R)^3/2-(2R-H1)^3/2 } ]\) |
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B.
\(\frac { n } {2 } \)\( [\frac { (2/5RH1^3/2 -2/3H^3/2} {( 3R)^3/2-(2R-H1)^3/2 } ]\) |
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C.
\(\frac { n } { 3 } \)\( [\frac { (4/3)RH1^3/2 +2/5H^5/2} {( R)^3/2-(2R+H)^3/2 } ]\) |
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D.
n \( [\frac { (2/3)RH1^3/2 +2/5H^2/5} {( R)^3/4+(4R+H1)^3/2 } ]\) |
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