Hydraulics and Fluid Mechanics in ME The efficiency of jet propulsion for a ship with inlet orifices at right angles to the direction of motion of ship is given by [(Vr - v) v]/ Vr [2(Vr + v) v]/ Vr² [(Vr + v) v]/ Vr [2(Vr - v) v]/ Vr² [(Vr - v) v]/ Vr [2(Vr + v) v]/ Vr² [(Vr + v) v]/ Vr [2(Vr - v) v]/ Vr² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is between ___ the flow is called super-sonic flow. 1 and 2.5 2.5 and 4 1 and 6 4 and 6 1 and 2.5 2.5 and 4 1 and 6 4 and 6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to 0.01 0.1 0.001 0.0001 0.01 0.1 0.001 0.0001 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The undershot water wheels are those in which The wheel runs entirely by the weight of water The wheel runs partly by the weight of water and partly by the impulse of water The wheel runs entirely by the impulse of water None of these The wheel runs entirely by the weight of water The wheel runs partly by the weight of water and partly by the impulse of water The wheel runs entirely by the impulse of water None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Unit of surface tension is It has no units Energy/unit area Both of the above Velocity/unit area It has no units Energy/unit area Both of the above Velocity/unit area ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a forced vortex, the velocity of flow everywhere within the fluid is zero minimum maximum non-zero finite zero minimum maximum non-zero finite ANSWER DOWNLOAD EXAMIANS APP
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