Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. None of these Remain same Decreases Increases None of these Remain same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The absolute pressure is equal to Atmospheric pressure - gauge pressure Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure Gauge pressure - vacuum pressure Atmospheric pressure - gauge pressure Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure Gauge pressure - vacuum pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of bulk modulus of a fluid is required to determine Euler's number Froude's number Mach number Reynold's number Euler's number Froude's number Mach number Reynold's number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow through a long pipe at constant rate is called Unsteady non-uniform flow Unsteady uniform flow Steady uniform flow Steady non-uniform flow Unsteady non-uniform flow Unsteady uniform flow Steady uniform flow Steady non-uniform flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice) Q = (Cd × a)/√(2gh) Q = (2/3). Cd × a × h Q = Cd × a × 2gh Q = (3Cd × a)/√(2h) Q = (Cd × a)/√(2gh) Q = (2/3). Cd × a × h Q = Cd × a × 2gh Q = (3Cd × a)/√(2h) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Newton's law of viscosity, the shear stress on a layer of a fluid is __________ to the rate of shear strain. Directly proportional None of these Inversely proportional Equal to Directly proportional None of these Inversely proportional Equal to ANSWER DOWNLOAD EXAMIANS APP
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