# Mechanical Engineering - Hydraulics and Fluid Mechanics

### Exercise :: Hydraulics and Fluid Mechanics - Section 3

31.

According to Pascal's law, the intensity of pressure at any point in a fluid at rest is the same in all directions.

 A. Agree B. Disagree

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

32.

The ratio of the inertia force to the surface tension force is called Weber's number.

 A. Correct B. Incorrect

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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

 A. continuity equation B. Bernoulli's equation C. Pascal's law D. Archimede's principle

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

34.

The buoyancy depends upon the

 A. weight of the liquid displaced B. pressure with which the liquid is displaced C. viscosity of the liquid D. compressibility of the liquid

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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.

 A. less than B. more than

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

#### Current Affairs 2021

Interview Questions and Answers