Hydraulics and Fluid Mechanics in ME In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir. Three-fourth Equal to One-third Two-third Three-fourth Equal to One-third Two-third ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power transmitted through the pipe is maximum when the head lost due to friction is equal to One-fourth of the total supply head Two-third of the total supply head One-third of the total supply head One-half of the total supply head One-fourth of the total supply head Two-third of the total supply head One-third of the total supply head One-half of the total supply head 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 1.5 Q Q/0.75 0.75 Q Same quantity of liquid 1.5 Q Q/0.75 0.75 Q Same quantity of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure of air __________ with the increase of height from the surface of the earth. None of these Decreases Does not change Increases None of these Decreases Does not change Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The increase of temperature results in decrease in viscosity of gas decrease in viscosity of liquid increase in viscosity of gas increase in viscosity of liquid decrease in viscosity of gas decrease in viscosity of liquid increase in viscosity of gas increase in viscosity of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant speed and capacity, the pressure and power vary As square of density Inversely as square root of density Inversely as density Directly as the air or gas density As square of density Inversely as square root of density Inversely as density Directly as the air or gas density ANSWER DOWNLOAD EXAMIANS APP
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