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Mechanical Engineering - Hydraulics and Fluid Mechanics

Exercise : Hydraulics and Fluid Mechanics - Section 6
41.
When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure
varies as the square of the radial distance
increases linearly as its radial distance
increases as the square of the radial distance
decreases as the square of the radial distance
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
The specific weight of compressible fluids does not remain constant.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid, is called
surface tension
compressibility
capillarity
viscosity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
In a convergent mouthpiece, the absolute pressure head at vena contracta is the same as that of the atmosphere.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Newton's law of viscosity is a relationship between
pressure, velocity and temperature
shear stress and rate of shear strain
shear stress and velocity
rate of shear strain and temperature
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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