Civil Engineering - Hydraulics

26. 

Flow of water in pipes of diameter more than 3 metres, can be measured by

A. pitot tube
B. venturimeter
C. orifice plate
D. rotameter.

Answer: Option D

Explanation:

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27. 

The pressure variation along the radial direction for vortex flow along a horizontal plane is related by

A.
B.
C.
D.

Answer: Option B

Explanation:

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28. 

Hydraulic grade line

A. remains above the centre line of conduit
B. remains below the centre line of conduit
C. remains parallel to the centre line of conduit
D. may be above or below the centre line of conduit.

Answer: Option D

Explanation:

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29. 

If the Mach number for a fluid flow is less than 1, the flow is

A. sonic
B. supersonic
C. sub-sonic
D. none of these.

Answer: Option C

Explanation:

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30. 

Hydraulic coefficient of an orifice means the coefficient of

A. velocity
B. contraction
C. resistance
D. all the above.

Answer: Option D

Explanation:

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