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Civil Engineering - Hydraulics

Exercise : Hydraulics - Section 1
31.
A pipe of 0.1 m2 cross sectional area suddenly enlarges to 0.3 m2 cross-sectional area. If the discharge of the pipe is 0.3 m3 /sec, the head loss is
2/g m of water
g/2 m of water
1g m of water
g m of water.
Answer: Option
Explanation:
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32.
Maximum efficiency of transmission of power through a pipe, is
25%
33.3%
50%
66.67%.
Answer: Option
Explanation:
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33.
An ideal flow of a liquid obeys
Continuity equation
Newton's law of viscosity
Newton's second law of motion
dynamic viscosity law,
Answer: Option
Explanation:
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34.
Euler's equation for motion of liquids, is given by
ρdp + gdz + vdv = 0
Answer: Option
Explanation:
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35.
Reynold number is the ratio of initial force and
viscosity
elasticity
gravitational force
surface tension.
Answer: Option
Explanation:
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