# Civil Engineering - Hydraulics

### Exercise :: Hydraulics - Section 6

11.

 A. area divided by the square of wetted perimeter B. area divided by wetted perimeter C. wetted perimeter divided by area D. square root of the area.

Explanation:

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12.

The discharg formula Q = Cd 2gH x A is used for rectangular

 A. small orifices only B. large orifices only C. small and large orifices only D. for all types of orifices.

Explanation:

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13.

Chezy's constant is suggested by

 A. Bazin B. Kutter C. Manning D. Powell.

Explanation:

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14.

The acceleration f required to accelerate a rectangular tank containing water horizontally so that the slope of its free surface is 45°, is

 A. g/2 B. g C. 2 g D. 2.5 g E. 3 g.

Explanation:

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15.

Pick up the correct statement from the following :

 A. The fluids which follow are known as Newtonian fluids B. The fluids which do not follow the linear relationship between shear and rate of strain are known as non Newtonian fluids C. The substances which flow after yield strains, are known as plastics D. all the above.