In a sharp-crested weir, the thickness of the weir is kept less than half of the

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Question
In a sharp-crested weir, the thickness of the weir is kept less than half of the height of water above the crest of the weir.
Options
A. True
B. False

Correct Answer

True

Hydraulics and Fluid Mechanics problems

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1. The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid, is called
Options
A. surface tension
B. compressibility
C. capillarity
D. viscosity

2. Newton's law of viscosity is a relationship between
Options
A. pressure, velocity and temperature
B. shear stress and rate of shear strain
C. shear stress and velocity
D. rate of shear strain and temperature

3. In a lockgate, the reaction between two gates is (where P = Resultant pressure on the lock gate, and ? = Inclination of the gate with the normal to the side of the lock)
Options
A.
B.
C. P / 2sin?
D.

4. The magnitude of water hammer depends upon the
Options
A. elastic properties of the pipe material
B. elastic properties of the liquid flowing through the pipe
C. speed at which the valve is closed
D. all of the above

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