Hydraulics and Fluid Mechanics in ME According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary As square of density Inversely as square root of density Inversely as density Directly as the air or gas density As square of density Inversely as square root of density Inversely as density Directly as the air or gas density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to avoid cavitation in centrifugal pumps The delivery pressure should be high The suction pressure should be high The delivery pressure should be low The suction pressure should be low The delivery pressure should be high The suction pressure should be high The delivery pressure should be low The suction pressure should be low ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow of water through the hole in the bottom of a wash basin is an example of Steady flow Free vortex Forced vortex Uniform flow Steady flow Free vortex Forced vortex Uniform flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An orifice is said to be large, if 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 The available head of liquid is more than 5 times the height of orifice The velocity of flow is large ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump) (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Q ηo) / Hm (w Hm) / (Q × ηo) (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Q ηo) / Hm (w Hm) / (Q × ηo) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of water at 20°C is One stoke One poise One centistoke One centipoise One stoke One poise One centistoke One centipoise ANSWER DOWNLOAD EXAMIANS APP
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