Exercise: Hydraulics And Fluid Mechanics

Questions for: Hydraulics And Fluid Mechanics

A weir is said to be broad crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest.
A:
equal to.
B:
less than
C:
more than
D:
Answer: C
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The discharge over a right angled notch is (where H = Height of liquid above the apex of notch)
A:
Cd 2g x H
B:
Cd 2g x H3/2
C:
Cd 2g x H2
D:
Cd 2g x H5/2
Answer: D
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The diameter of the nozzle (d) for maximum transmission of power is given by (where D = Diameter of pipe, f = Darcy 's coefficient of friction for pipe, and l = Length of pipe )
A:
B:
C:
D:
Answer: C
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The kinematic viscosity is the
A:
ratio of absolute viscosity to the density of the liquid
B:
ratio of density of the liquid to the absolute viscosity
C:
product of absolute viscosity and density of the liquid
D:
product of absolute viscosity and mass of the liquid
Answer: A
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In one dimensional flow, the flow
A:
is steady and uniform
B:
takes place in straight line
C:
takes place in curve
D:
takes place in one direction
Answer: B
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