Mechanical Engineering - Hydraulics and Fluid Mechanics

31.
According to Pascal's law, the intensity of pressure at any point in a fluid at rest is the same in all directions.
Agree
Disagree
Answer: Option
Explanation:
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32.
The ratio of the inertia force to the surface tension force is called Weber's number.
Correct
Incorrect
Answer: Option
Explanation:
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33.
For a perfect incompressible liquid, flowing in a continuous stream, the total energy of a particle remains the same, while the particle moves from one point to another. This statement is called
continuity equation
Bernoulli's equation
Pascal's law
Archimede's principle
Answer: Option
Explanation:
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34.
The buoyancy depends upon the
weight of the liquid displaced
pressure with which the liquid is displaced
viscosity of the liquid
compressibility of the liquid
Answer: Option
Explanation:
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35.
In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta.
less than
more than
Answer: Option
Explanation:
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