Mechanical Engineering - Hydraulics and Fluid Mechanics

26.
The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta)
2gH
H2g
2gH
2gH
Answer: Option
Explanation:
No answer description is available. Let's discuss.

27.
According to Newton's law of viscosity, the shear stress on a layer of a fluid is __________ to the rate of shear strain.
equal to
directly proportional
inversely proportional
Answer: Option
Explanation:
No answer description is available. Let's discuss.

28.
The force per unit length is the unit of
surface tension
compressibility
capillarity
viscosity
Answer: Option
Explanation:
No answer description is available. Let's discuss.

29.
The shear stress-strain graph for a non-newtonian fluid is a curve.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.

30.
The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface.
equal
directly proportional
inversely proportional
Answer: Option
Explanation:
No answer description is available. Let's discuss.