Fluid Mechanics What causes cavitation in centrifugal pump? Low suction pressure High suction pressure Low barometric pressure High suction velocity Low suction pressure High suction pressure Low barometric pressure High suction velocity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer separation occurs when the Pressure reaches a minimum Velocity of sound is reached Valve is closed in a pipeline Cross-section of the channel is reduced Pressure reaches a minimum Velocity of sound is reached Valve is closed in a pipeline Cross-section of the channel is reduced ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for water flow through a tube of I.D. 5 cm is 1500. If a liquid of 5 centipoise viscosity and 0.8 specific gravity flows in the same pipe at the same velocity, then the pressure drop will Remain same Decrease Data insufficient to predict pressure drop Increase Remain same Decrease Data insufficient to predict pressure drop Increase ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The head loss in turbulent flow in a pipe varies Inversely as the square of diameter As (velocity)² As velocity Inversely as the velocity Inversely as the square of diameter As (velocity)² As velocity Inversely as the velocity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in molecular weight of the gas, the head developed by a centrifugal compressor will Decrease Increase Unpredictable Remain same Decrease Increase Unpredictable Remain same ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Purpose of relief valve in a reciprocating pump is to Protect the pump against developing excessive pressure Facilitate unidirectional flow of liquid Reduce the discharge pressure Control the rate of discharge Protect the pump against developing excessive pressure Facilitate unidirectional flow of liquid Reduce the discharge pressure Control the rate of discharge ANSWER DOWNLOAD EXAMIANS APP