Hydraulics and Fluid Mechanics in ME Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance) Cv × Cr Cc × Cv Cc × Cr Cc/Cr Cv × Cr Cc × Cv Cc × Cr Cc/Cr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Delivery head of a centrifugal pump is Inversely proportional to N Inversely proportional to N² Directly proportional to N Directly proportional to N² Inversely proportional to N Inversely proportional to N² Directly proportional to N Directly proportional to N² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of water at 20°C is One poise One stoke One centistoke One centipoise One poise One stoke One centistoke One centipoise 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 Steady uniform flow Steady non-uniform flow Unsteady uniform flow Unsteady non-uniform flow Steady uniform flow Steady non-uniform flow Unsteady uniform flow 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 Q ηo) / Hm (w Hm Q) / ηo (w Hm) / (Q × ηo) (w Q) / (Hm × ηo) (w Q ηo) / Hm (w Hm Q) / ηo (w Hm) / (Q × ηo) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used? Kaplan turbine Pelton wheel with one nozzle Francis turbine Pelton wheel with two or more nozzles Kaplan turbine Pelton wheel with one nozzle Francis turbine Pelton wheel with two or more nozzles ANSWER DOWNLOAD EXAMIANS APP
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