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 Delivery of insufficient quantity of liquid by a pump may be caused by Low rpm Air leak in the inlet Too high a lift All of these Low rpm Air leak in the inlet Too high a lift All of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Prandtl mixing length is None of these A universal constant Zero at the pipe wall Applicable to laminar flow problems None of these A universal constant Zero at the pipe wall Applicable to laminar flow problems ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Terminal velocity is A constant velocity with no acceleration Attained after moving one-half of total distance A fluctuating velocity None of these A constant velocity with no acceleration Attained after moving one-half of total distance A fluctuating velocity None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Water is flowing at 1 m/sec through a pipe (of 10 cm I.D) with a right angle bend. The force in Newtons exerted on the bend by water is 5√2π 10√2π 5π/√2 5π/2 5√2π 10√2π 5π/√2 5π/2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What causes cavitation in centrifugal pump? High suction pressure Low barometric pressure Low suction pressure High suction velocity High suction pressure Low barometric pressure Low suction pressure High suction velocity ANSWER DOWNLOAD EXAMIANS APP