Mechanical Engineering - Hydraulics and Fluid Mechanics

46. 

If a body floating in a liquid does not return back to its original position, and heels farther "away when given a small angular displacement, the body is said to be in neutral equilibrium.

A. Yes
B. No

Answer: Option B

Explanation:

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47. 

The length of the divergent cone in a venturimeter is __________ that of the convergent cone.

A. equal to
B. double
C. three to four times
D. five to six times

Answer: Option C

Explanation:

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48. 

A flow through a long pipe at constant rate is called

A. steady uniform flow
B. steady non-uniform flow
C. unsteady uniform flow
D. unsteady non-uniform flow

Answer: Option A

Explanation:

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49. 

The volume per unit mass of a liquid is called specific volume.

A. Yes
B. No

Answer: Option A

Explanation:

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50. 

In an external or internal mouthpiece, the absolute pressure head at vena contracta is zero when atmospheric pressure head is 10.3 m of water.

A. Correct
B. Incorrect

Answer: Option A

Explanation:

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