Which of the following forces does not act in case of fluids?
A.Centrifugal force
B.Tensile force
C.Vibratory force
D.Elastic force
E.Gravity force
Category: Fluid Mechanics and Hydraulic Machines Mcqs
Micaceous rocks with closely spaced cleavage planes along which easy separation can be affected, are known as
A.Intact rocks
B.Schistos rocks
C.Stratified rocks
D.Popping rocks
E.Sedimentary rocks
The wake
A.Is a region of high pressure
B.Is the principal cause of skin friction
C.Always occurs when deformation drag predominates
D.Always occurs after a separation point
E.Is none of these answers
The effect of negative pressure beneath the nappe in case of flow of water over a rectangular suppressed weir is to
A.Decrease the discharge
B.Increase the discharge
C.Increase frictional resistance
D.Reduced frictional resistance
E.None of the above
Which one of the following method is used to check the stability of gravity dams
A.Pigeaud’s method
B.Finite element method
C.Slab analogy method
D.Lattice analogy method
E.All of the above
One dimensional flow is
A.one which neglects changes in transverse direction
B.also known as uniform flow
C.also known as steady uniform flow
D.restricted to flow in a straight line
The Reynolds number for pipe flow is given by
A.VD/v
B.VD
C.VD ? /
D.VD /
E.None of the above
Navier-stokes equation is useful in the analysis of
A.Viscous flow
B.Non-viscous flow
C.Rotational flow
D.Turbulent flow
E.Any of the above
Relative velocity is
A.The difference between two velocities
B.The difference between the higher velocity and average velocity
C.Average velocity
D.Sum of two velocities
E.Vector difference of two velocities
