Civil Engineering - Hydraulics

1. 

In flowing liquids pitot tubes are used measure

A. discharge
B. pressure
C. velocity
D. depth.

Answer: Option C

Explanation:

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2. 

Capillary rise of water is

A. directly proportional to surface tension
B. inversely proportional to water density
C. inversely proportional to diameter of the tube
D. All of these.

Answer: Option D

Explanation:

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3. 

A water tank partially filled with water is being carried on a truck moving with a constant horizontal acceleration. The level of the water

A. rises on the front side of the tank
B. falls on the back side of the tank
C. remains the same at both sides of the tank
D. rises on the back side and falls on the front side
E. none of these.

Answer: Option D

Explanation:

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4. 

The dimensional formula of force is

A. MLT-2
B. M-1LT2
C. ML-2T
D. M-1L2T-2
E. none of these.

Answer: Option A

Explanation:

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5. 

An error of 1% in measuring the head of water over the crest of a rectangular weir, produces an error in the discharge which is equal to

A. 1.25%
B. 1.5%
C. 1.75%
D. 2.25%

Answer: Option B

Explanation:

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