Fluid Mechanics While starting a centrifugal pump, its delivery valve should be kept Closed Either opened or closed; depending on the fluid viscosity Opened Either opened or closed ; it does not make any difference Closed Either opened or closed; depending on the fluid viscosity Opened Either opened or closed ; it does not make any difference ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Momentum transfer in laminar flow of fluids results due to the Velocity gradient Density None of these Viscosity Velocity gradient Density None of these Viscosity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will Remain unchanged Increase Data insufficient to predict relative pressure drop Decrease Remain unchanged Increase Data insufficient to predict relative pressure drop Decrease ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Priming of a centrifugal pump is done to Increase the mass flow rate of fluid Develop effective pressure rise by the pump None of these Avoid chances of separation inside the impeller Increase the mass flow rate of fluid Develop effective pressure rise by the pump None of these Avoid chances of separation inside the impeller ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of inertial forces to elastic forces is called the __________ number. Weber Euler Reynolds Mach Weber Euler Reynolds Mach ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Low specific speed of a pump implies that, it is a/an __________ pump. Centrifugal None of these Axial flow Mixed flow Centrifugal None of these Axial flow Mixed flow ANSWER DOWNLOAD EXAMIANS APP
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