Exercise: Hydraulics And Fluid Mechanics

Questions for: Hydraulics And Fluid Mechanics

When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow.
A:
less than
B:
more than
C:
D:
Answer: A
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Turbulent flow takes place at high velocities.
A:
Agree
B:
Disagree
C:
D:
Answer: A
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The total pressure on an immersed surface inclined at an angle θ with the liquid surface is
A:
wA
B:
wx
C:
wAx
D:
wAx/sin θ
Answer: C
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A weir is said to be narrow-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: B
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A uniform body 3 m long, 2 m wide and 1 m deep floats in water. If the depth of immersion is 0.6 m, then the weight of the body is
A:
3.53 kN
B:
33.3 kN
C:
35.3 kN
D:
none of these
Answer: C
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