Hydraulics and Fluid Mechanics in ME A flow is called hyper-sonic, if the Mach number is None of these Unity Between 1 and 6 Less than unity None of these Unity Between 1 and 6 Less than unity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is maximum when velocity of wheel is _______ of the jet velocity, Three-fourth One-half One-fourth Double Three-fourth One-half One-fourth Double ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted (in Newton) by a jet of water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m², and V = Velocity of jet in m/s) waV² / g waV² / 2g waV / g waV / 2g waV² / g waV² / 2g waV / g waV / 2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A double overhung Pelton wheel has Two jets Four jets Two runners Four runners Two jets Four jets Two runners Four runners ANSWER DOWNLOAD EXAMIANS APP
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 When the pressure intensity at a point is more than the local atmospheric pressure, then the difference of these two pressures is called Absolute pressure Gauge pressure Vacuum pressure Positive gauge pressure Absolute pressure Gauge pressure Vacuum pressure Positive gauge pressure ANSWER DOWNLOAD EXAMIANS APP
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