Exercise: Hydraulics And Fluid Mechanics

Questions for: Hydraulics And Fluid Mechanics

An error of 1% in measuring head over the crest of the notch (H) will produce an error of __________ in discharge over a triangular notch,
A:
1%
B:
1.5%
C:
2%
D:
2.5%
Answer: D
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A flow is called sonic, if the Mach number is unity.
A:
Agree
B:
Disagree
C:
D:
Answer: A
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A notch is used to measure __________ of liquids.
A:
pressure
B:
discharge
C:
velocity
D:
volume
Answer: B
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The torque required to overcome viscous resistance of a collar bearing is (where R1 and R2 = External and internal radius of collar)
A:
B:
C:
D:
Answer: D
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A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to bring the liquid level from H1 to H2 will be
A:
B:
C:
D:
Answer: C
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