Hydraulics and Fluid Mechanics in ME Which of the following statement is correct as regard to water wheels? All of these They give constant efficiency, even if the discharge is not constant They are suitable even for low water heads They have slow speeds All of these They give constant efficiency, even if the discharge is not constant They are suitable even for low water heads They have slow speeds ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram, and a = Area of plunger) (W/p) × (A/a) (p/W) × (A/a) (W/p) × (a/A) (p/W) × (a/A) (W/p) × (A/a) (p/W) × (A/a) (W/p) × (a/A) (p/W) × (a/A) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A double overhung Pelton wheel has Two jets Two runners Four jets Four runners Two jets Two runners Four jets Four runners ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The units of dynamic or absolute viscosity are metres² per sec kg sec/meter newton-sec² per meter newton-sec per meter metres² per sec kg sec/meter newton-sec² per meter newton-sec per meter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in a hydraulic machine Reduces the discharge of a turbine Causes sudden drop in power output and efficiency Causes noise and vibration of various parts All of these Reduces the discharge of a turbine Causes sudden drop in power output and efficiency Causes noise and vibration of various parts All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Stanton diagram is a log-log plot of friction factor against Reynolds number semi-log plot of friction factor against relative roughness log-log plot of relative roughness against Reynolds number semi-log plot of friction factor against Reynolds number log-log plot of friction factor against Reynolds number semi-log plot of friction factor against relative roughness log-log plot of relative roughness against Reynolds number semi-log plot of friction factor against Reynolds number ANSWER DOWNLOAD EXAMIANS APP
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