Exercise: Hydraulics And Fluid Mechanics

Questions for: Hydraulics And Fluid Mechanics

The discharge through a channel of rectangular section will be maximum, if
A:
its depth is twice the breadth
B:
its breadth is twice the depth
C:
its depth is thrice the breadth
D:
its breadth is thrice the depth
Answer: B
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The rise of liquid along the walls of a revolving cylinder about the initial level is __________ the depression of the liquid at the axis of rotation.
A:
same as
B:
less than
C:
more than
D:
Answer: A
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The viscosity of water at 20°C is
A:
one stoke
B:
one centistroke
C:
one poise
D:
one centipoise
Answer: D
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The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v = Velocity of the liquid in the pipe, μ = Viscosity of the liquid, and w = Specific weight of the flowing liquid)
A:
B:
C:
D:
Answer: D
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The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface.
A:
equal
B:
directly proportional
C:
inversely proportional
D:
Answer: B
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