Fluid Mechanics While starting a centrifugal pump, its delivery valve should be kept Either opened or closed ; it does not make any difference Either opened or closed; depending on the fluid viscosity Closed Opened Either opened or closed ; it does not make any difference Either opened or closed; depending on the fluid viscosity Closed Opened ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant? Rotational Turbulent Unsteady Non-uniform Rotational Turbulent Unsteady Non-uniform ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in the ratio of orifice diameter to pipe diameter in case of an orificemeter, the overall pressure loss Remains constant Decreases Increases linearly Increases Remains constant Decreases Increases linearly Increases ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Liquid delivery by centrifugal pump starts, only when the head developed by it is equal to the __________ head. Total Manometric Static Friction Total Manometric Static Friction ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Design of the casing of centrifugal pump should be such as to minimise the Loss of kinetic head None of these Back flow through impeller Loss of static head Loss of kinetic head None of these Back flow through impeller Loss of static head ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Net positive suction head (NPSH) of a centrifugal pump must be Less than the vapour pressure of the liquid Greater than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Less than barometric pressure Less than the vapour pressure of the liquid Greater than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Less than barometric pressure ANSWER DOWNLOAD EXAMIANS APP
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