Hydraulics and Fluid Mechanics in ME The flow in a pipe or channel is said to be non-uniform when The liquid particles at different sections have different velocities The quantity of liquid flowing per second is constant Each liquid particle has a definite path The liquid particles at all sections have the same velocities The liquid particles at different sections have different velocities The quantity of liquid flowing per second is constant Each liquid particle has a definite path The liquid particles at all sections have the same velocities ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in None of these Neutral equilibrium Stable equilibrium Unstable equilibrium None of these Neutral equilibrium Stable equilibrium Unstable equilibrium ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice) Q = (3Cd × a)/√(2h) Q = Cd × a × 2gh Q = (Cd × a)/√(2gh) Q = (2/3). Cd × a × h Q = (3Cd × a)/√(2h) Q = Cd × a × 2gh Q = (Cd × a)/√(2gh) Q = (2/3). Cd × a × h ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure less than atmospheric pressure is known as Vacuum pressure Negative gauge pressure All of the listed here Suction pressure Vacuum pressure Negative gauge pressure All of the listed here Suction pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is 4 2 1 43924 4 2 1 43924 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity is defined as the ratio of Actual discharge through an orifice to the theoretical discharge None of these Actual velocity of jet at vena contracta to the theoretical velocity Area of jet at vena contracta to the area of orifice Actual discharge through an orifice to the theoretical discharge None of these Actual velocity of jet at vena contracta to the theoretical velocity Area of jet at vena contracta to the area of orifice ANSWER DOWNLOAD EXAMIANS APP
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