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 ηo) / Hm (w Hm) / (Q × ηo) (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Q ηo) / Hm (w Hm) / (Q × ηo) (w Q) / (Hm × ηo) (w Hm Q) / ηo ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to 21000 10000 2700 2100 21000 10000 2700 2100 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The tendency of a liquid surface to contract is due to the following property surface tension viscosity cohesion adhesion surface tension viscosity cohesion adhesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The units of dynamic or absolute viscosity are metres² per sec newton-sec per meter newton-sec² per meter kg sec/meter metres² per sec newton-sec per meter newton-sec² per meter kg sec/meter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dynamic viscosity of most of the gases with rise in temperature decreases increases unpredictable remains unaffected decreases increases unpredictable remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum efficiency of jet propulsion of a ship with inlet orifices at right angles to the direction of motion of ship, is 0.5 0.4 0.8 0.6 0.5 0.4 0.8 0.6 ANSWER DOWNLOAD EXAMIANS APP
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