Hydraulics and Fluid Mechanics in ME For a perfect incompressible liquid, flowing in a continuous stream, the total energy of a particle remains the same, while the particle moves from one point to another. This statement is called Bernoulli’s equation Pascal’s law Archimedes’s principle Continuity equation Bernoulli’s equation Pascal’s law Archimedes’s principle Continuity equation 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 [(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 In a venturi-flume, the flow takes place at None of these Gauge pressure Absolute pressure Atmospheric pressure None of these Gauge pressure Absolute pressure Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will Depend upon the characteristics of liquid Remain unchanged Decrease Increase Depend upon the characteristics of liquid Remain unchanged Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Pelton wheel is Outward flow impulse turbine Inward flow reaction turbine Inward flow impulse turbine Tangential flow impulse turbine Outward flow impulse turbine Inward flow reaction turbine Inward flow impulse turbine Tangential flow impulse turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is v₁²/2g v₂²/2g 0.375 v₂²/2g 0.5 v₁²/2g v₁²/2g v₂²/2g 0.375 v₂²/2g 0.5 v₁²/2g ANSWER DOWNLOAD EXAMIANS APP