Fluid Mechanics What causes cavitation in centrifugal pump? High suction pressure Low suction pressure High suction velocity Low barometric pressure High suction pressure Low suction pressure High suction velocity Low barometric pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Shear stress in a fluid flowing in a round pipe Is zero at the wall and increases linearly to the centre Varies parabolically across the cross-section Remains constant over the cross-section Is zero at the centre and varies linearly with the radius Is zero at the wall and increases linearly to the centre Varies parabolically across the cross-section Remains constant over the cross-section Is zero at the centre and varies linearly with the radius ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics While starting a centrifugal pump, its delivery valve should be kept Either opened or closed; depending on the fluid viscosity Either opened or closed ; it does not make any difference Closed Opened Either opened or closed; depending on the fluid viscosity Either opened or closed ; it does not make any difference Closed Opened ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Consider a centrifugal pump having a specific impeller diameter, fixed impeller speed pumping a liquid of constant density at a particular discharge capacity. With decrease in the capacity of the pump, the __________ decreases. Head of the liquid pumped NPSH required All of these BHP required by the pump Head of the liquid pumped NPSH required All of these BHP required by the pump ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Curve III in the above diagram represents a/an Dilatent fluid Ideal plastic None of these Pseudo plastic fluid Dilatent fluid Ideal plastic None of these Pseudo plastic fluid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Velocity at a certain point in case of streamline flow is Neither A nor B Independent of time Constant Both A & B Neither A nor B Independent of time Constant Both A & B ANSWER DOWNLOAD EXAMIANS APP