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 [(Vr - v) v]/ Vr [2(Vr - v) v]/ Vr² [2(Vr + v) v]/ Vr² [(Vr + v) v]/ Vr [(Vr - v) v]/ Vr [2(Vr - v) v]/ Vr² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be Steep Horizontal First rise and then fall Nearly horizontal Steep Horizontal First rise and then fall Nearly horizontal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following is dimensionless? Specific volume Specific weight Specific speed Specific gravity Specific volume Specific weight Specific speed Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The rise or depression of liquid in a tube due to surface tension will increase in size of tube will Remain unaffected Decrease May increase or decrease depending on the characteristics of liquid Increase Remain unaffected Decrease May increase or decrease depending on the characteristics of liquid Increase ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Discharge (Q) of a centrifugal pump is given by (where D = Diameter of impeller at inlet, b = Width of impeller at inlet, and Vf = Velocity of flow at inlet) Q = π.b.Vf Q = π.D.bf.V Q = D.b.Vf Q = π.D.Vf Q = π.b.Vf Q = π.D.bf.V Q = D.b.Vf Q = π.D.Vf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total head of a liquid particle in motion is equal to Pressure head + kinetic head + potential head Potential head - (pressure head + kinetic head) Kinetic head - (pressure head + potential head) Pressure head - (kinetic head + potential head) Pressure head + kinetic head + potential head Potential head - (pressure head + kinetic head) Kinetic head - (pressure head + potential head) Pressure head - (kinetic head + potential head) ANSWER DOWNLOAD EXAMIANS APP
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