Exercise: Hydraulics And Fluid Mechanics

Questions for: Hydraulics And Fluid Mechanics

A weir, generally, used as a spillway of a dam is
A:
narrow crested weir
B:
broad crested weir
C:
Ogee weir
D:
submerged weir
Answer: C
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The total pressure on the bottom of a closed cylindrical vessel completely filled up with a liquid is the sum of the total centrifugal pressure and the weight of the liquid in the vessel.
A:
Correct
B:
Incorrect
C:
D:
Answer: A
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When the Mach number is equal to unity, the flow is called sonic flow.
A:
True
B:
False
C:
D:
Answer: A
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When the flow in an open channel is gradually varied, the flow is said to be
A:
steady uniform flow
B:
steady non-uniform flow
C:
unsteady uniform flow
D:
unsteady non-uniform flow
Answer: B
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A fluid whose viscosity changes with the rate of deformation or shear strain is known as non-newtonian fluid.
A:
True
B:
False
C:
D:
Answer: A
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