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. All of these NPSH required Head of the liquid pumped BHP required by the pump All of these NPSH required Head of the liquid pumped BHP required by the pump ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂s = 0 ∂/∂s = constant ∂/∂t = constant ∂/∂t = 0 ∂/∂s = 0 ∂/∂s = constant ∂/∂t = constant ∂/∂t = 0 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The distance between metacentre and __________ is called metacentric height. Centre of gravity Centre of buoyancy None of these Water surface Centre of gravity Centre of buoyancy None of these Water surface ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What causes cavitation in centrifugal pump? High suction velocity Low suction pressure Low barometric pressure High suction pressure High suction velocity Low suction pressure Low barometric pressure High suction pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Velocity distribution for flow between two fixed parallel plates Varies parabolically across the section Is zero at the plates and increases linearly to the midplane Is constant over the entire cross-section None of these Varies parabolically across the section Is zero at the plates and increases linearly to the midplane Is constant over the entire cross-section None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For laminar flow through a closed conduit Vmax = 0.5Vav Vmax = 1.5Vav Vmax = 2Vav Vmax = Vav Vmax = 0.5Vav Vmax = 1.5Vav Vmax = 2Vav Vmax = Vav ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS