Civil Engineering - Hydraulics

Exercise :: Hydraulics - Section 4

1.

Equation of continuity of flow is based on the principle of conservation of

 A. mass B. momentum C. force D. none of these.

Explanation:

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2.

Pick up the correct statement from the following :

 A. Discharge over a triangular notch is proportional to H5/2 B. Discharge over a rectangular notch is proportional to H3/2 C. Both (a) and (b) D. Neither (a) nor (b).

Explanation:

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3.

The flow in open channel is said to be subcritical if the Froude number is

 A. less than 1.0 B. equal to 1.0 C. greater than 1.0 D. none.

Explanation:

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4.

In C.G.S. system the unit of visocity is

 A. dyne B. joule C. poise D. Newton E. none of these.

Explanation:

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5.

The ratio of the percentage error in the discharge and percentage error in the measurement of head, over rectangular notch, is

 A. 1/2 B. 2/3 C. 3/2 D. 3/4