Hydraulics and Fluid Mechanics in ME According to fan laws, at constant speed and capacity, the pressure and power vary 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 Directly as the air or gas density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An air vessel is provided at the summit in a siphon to Maintain pressure difference Avoid interruption in the flow Increase discharge Increase velocity Maintain pressure difference Avoid interruption in the flow Increase discharge Increase velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.? Kaplan turbine None of these Francis turbine Pelton wheel Kaplan turbine None of these Francis turbine Pelton wheel ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An orifice is said to be large, if The available head of liquid is more than 5 times the height of orifice The velocity of flow is large The size of orifice is large The available head of liquid is less than 5 times the height of orifice The available head of liquid is more than 5 times the height of orifice The velocity of flow is large The size of orifice is large The available head of liquid is less than 5 times the height of orifice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following pump is suitable for small discharge and high heads? Mixed flow pump Reciprocating pump Centrifugal pump Axial flow pump Mixed flow pump Reciprocating pump Centrifugal pump Axial flow pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is maximum when velocity of wheel is _______ of the jet velocity, Double One-fourth One-half Three-fourth Double One-fourth One-half Three-fourth ANSWER DOWNLOAD EXAMIANS APP