Category: Fluid Mechanics and Hydraulic Machines Mcqs

A.V, D, ?, L,
B.L,
C.(L, D, ?, ?,
D.V, D,
E.L, D, Q, V.

A.The similarity of forces
B.The similarity of shape
C.The similarity of motion
D.The similarity of discharge

A.Pressure force and inertia force
B.Inertia force and gravity force
C.Buoyant force and inertia force
D.Buoyant force and viscous force
E.Viscous force and inertia force

A.Pressure decreases linearly with elevation
B.Pressure is constant all over
C.Pressure varies in the same way as density
D.Pressure increases directly as the square of height
E.Pressure varies exponentially with density

A.1 pascal
B.10-5 bar
C.10-2 kg/m sec2
D.7.5 x 10-3 mm Hg
E.Any of the above

A.The length of pipeline
B.The speed at which the valve is closed
C.To elastic properties of the liquid flowing through the pipe
D.The elastic properties of the pipe material
E.All of the above

A.Rise
B.Fall
C.Not change
D.Rise and then fall
E.Fall and then rise

A.Very low pressures
B.Very high pressures
C.Pressure differeuce between two points
D.Pressure of fluid in a pipe line
E.Atmospheric pressure

A.Angular velocity
B.Kinematic viscosity
C.Specific gravity
D.Specific weight
E.None of the these answers

A.To lift small quantities of water through large head by means of large quantity of water falling through small height
B.To generate high pressure
C.To increase the intensity of pressure of water by means of the energy of a large quantity of water at low pressure
D.To temporarily store the energy of water
E.None of the above