Hydraulics and Fluid Mechanics in ME The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity. IG / Ax̅ below Ax̅ / IG above Ax̅ / IG below IG / Ax̅ above IG / Ax̅ below Ax̅ / IG above Ax̅ / IG below IG / Ax̅ above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is 1.84(L - 0.1nH)H5/2 1.84(L - nH)H2 1.84(L - 0.1nH)H3/2 1.84(L - nH)H3 1.84(L - 0.1nH)H5/2 1.84(L - nH)H2 1.84(L - 0.1nH)H3/2 1.84(L - nH)H3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic mean depth or the hydraulic radius is the ratio of None of these Velocity of flow and area of flow Area of flow and wetted perimeter Wetted perimeter and diameter of pipe None of these Velocity of flow and area of flow Area of flow and wetted perimeter Wetted perimeter and diameter of pipe ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Directly as fan speed Cube of fan speed Square of fan speed Square root of fan speed Directly as fan speed Cube of fan speed Square of fan speed Square root of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A jet of water is striking at the centre of a curved vane moving with a uniform velocity in the direction of jet. For the maximum efficiency, the vane velocity is ________ of the jet velocity One-third One-half Three-fourth Two-third One-third One-half Three-fourth Two-third ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge Q/0.75 0.75 Q Same quantity of liquid 1.5 Q Q/0.75 0.75 Q Same quantity of liquid 1.5 Q ANSWER DOWNLOAD EXAMIANS APP
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