# Civil Engineering - Hydraulics

### Exercise :: Hydraulics - Section 1

46.

Pick up the correct statement regarding Borda's mouth piece running full from the following :

 A. Actual velocity at the out let is gH B. Theoretical velocity at the outlet is 2gH C. Coefficient of velocity is 1/2 D. Coefficient of contraction is 1 E. All the above.

Answer: Option E

Explanation:

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47.

Differential manometers are used to measure

 A. pressure in water channels, pipes, etc. B. difference in pressure at two points C. atmospheric pressure D. very low pressure.

Answer: Option B

Explanation:

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48.

A tank 4m x 3m x 2m containing an oil of specific gravity 0.83 is moved with an acceleration g/2 m sec2. The ratio of the pressures at its bottom when it is moving vertically up and down, is

 A. 2 B. 3 C. 1/2 D. 1/3

Answer: Option B

Explanation:

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49.

The most familiar form of Bernoulli's equation, is

 A. B. C. = constant head D. none of these.

Answer: Option C

Explanation:

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50.

Highest dam in India, is

 A. Bhakra dam B. Hirakund dam C. Nagarjuna Sagar dam D. Iddiki dam.

Answer: Option A

Explanation:

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