Mechanical Engineering - Hydraulics and Fluid Mechanics

16. 

The specific gravity has no units.

A. Agree
B. Disagree

Answer: Option A

Explanation:

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

17. 

The depth of water in a channel corresponding to the minimum specific energy is known as critical depth.

A. Agree
B. Disagree

Answer: Option A

Explanation:

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

18. 

The ratio of the inertia force to the gravity force is called Froude number.

A. Agree
B. Disagree

Answer: Option A

Explanation:

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

19. 

Which of the following statement is wrong?

A. A flow whose streamline is represented by a curve, is called two dimensional flow.
B. The total energy of a liquid particle is the sum of potential energy, kinetic energy and pressure energy.
C. The length of divergent portion in a venturimeter is equal to the convergent portion.
D. A pitot tube is used to measure the velocity of flow at the required point in a pipe.

Answer: Option C

Explanation:

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

20. 

A vertically immersed surface is shown in the below figure. The distance of its centre of pressure from the water surface is

A.
B.
C.
D.

Answer: Option B

Explanation:

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