Exercise: Hydraulics And Fluid Mechanics

Questions for: Hydraulics And Fluid Mechanics

The total energy line lies over the hydraulic gradient line by an amount equal to the
A:
pressure head
B:
velocity head
C:
pressure head + velocity head
D:
pressure head - velocity head
Answer: B
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The pressure less than atmospheric pressure is known as
A:
suction pressure
B:
vacuum pressure
C:
negative gauge pressure
D:
all of these
Answer: D
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Which of the following is an example of laminar flow?
A:
Under ground flow
B:
Flow past tiny bodies
C:
Flow of oil in measuring instruments
D:
all of these
Answer: D
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The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number)
A:
1/RN
B:
4/RN
C:
16/RN
D:
64/RN
Answer: C
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In a venturimeter, the velocity of liquid at throat is __________ than at inlet.
A:
higher
B:
lower
C:
D:
Answer: A
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