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 [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 [(Vr + v) v]/ Vr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The point at which the resultant pressure on an immersed surface acts, is known as Centre of immersed surface Centre of depth Centre of gravity Centre of pressure Centre of immersed surface Centre of depth Centre of gravity Centre of pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum thickness of boundary layer in a pipe of radius r is r r/2 2r r r/2 2r ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit speed of the wheel is 20 r.p.m. 10 r.p.m. 80 r.p.m. 40 r.p.m. 20 r.p.m. 10 r.p.m. 80 r.p.m. 40 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity of venturimeter is independent of Reynolds number decreases with higher Reynolds number None of these is equal to the coefficient of discharge of venturimeter is independent of Reynolds number decreases with higher Reynolds number None of these is equal to the coefficient of discharge of venturimeter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following is an incorrect statement ? Flow nozzle is cheaper than venturimeter but has higher energy loss Coefficient of contraction of a venturimeter is unity None of these Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined Flow nozzle is cheaper than venturimeter but has higher energy loss Coefficient of contraction of a venturimeter is unity None of these Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined ANSWER DOWNLOAD EXAMIANS APP
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