Hydraulics and Fluid Mechanics in ME In order to avoid cavitation in centrifugal pumps The delivery pressure should be low The suction pressure should be high The delivery pressure should be high The suction pressure should be low The delivery pressure should be low The suction pressure should be high The delivery pressure should be high The suction pressure should be low ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For hypersonic flow, the Mach number is greater than 4 greater than 2 greater than unity unity greater than 4 greater than 2 greater than unity unity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Motion of a liquid in a volute casing of a centrifugal pump is an example of Spiral vortex flow Rotational flow Forced spiral vortex flow Radial Spiral vortex flow Rotational flow Forced spiral vortex flow Radial ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary Directly as the air or gas density As square of density Inversely as density Inversely as square root of density Directly as the air or gas density As square of density Inversely as density Inversely as square root of density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit speed of the wheel is 20 r.p.m. 10 r.p.m. 80 r.p.m. 40 r.p.m. 20 r.p.m. 10 r.p.m. 80 r.p.m. 40 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity of venturimeter is independent of Reynolds number decreases with higher Reynolds number is equal to the coefficient of discharge of venturimeter None of these is independent of Reynolds number decreases with higher Reynolds number is equal to the coefficient of discharge of venturimeter None of these ANSWER DOWNLOAD EXAMIANS APP
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