Fluid Mechanics Priming of a centrifugal pump is done to Avoid chances of separation inside the impeller Develop effective pressure rise by the pump None of these Increase the mass flow rate of fluid Avoid chances of separation inside the impeller Develop effective pressure rise by the pump None of these Increase the mass flow rate of fluid 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 Decreases Increases Increases linearly Remains constant Decreases Increases Increases linearly Remains constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following is not a dimension-less parameter? Fanning friction factor None of these Specific gravity Euler number Fanning friction factor None of these Specific gravity Euler number ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What is the value of Fanning friction factor f ' for smooth pipe at NRe = 10⁶ approximately? 0.3 0.1 0.01 0.003 0.3 0.1 0.01 0.003 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For water, when the pressure increases, the viscosity Decreases First decreases, and then increases Remains constant Also increases Decreases First decreases, and then increases Remains constant Also increases ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the Sudden expansion of flow in the downstream occurs Throat diameter is more Distance between the throat and the inlet is more Length is shorter Sudden expansion of flow in the downstream occurs Throat diameter is more Distance between the throat and the inlet is more Length is shorter ANSWER DOWNLOAD EXAMIANS APP