Exercise: Hydraulics

Questions for: Hydraulics

The pressure rise due to water hammer depends upon
A:
the velocity of flow of water in the pipe
B:
the length of pipe
C:
time taken to close the valve
D:
the elasticity of the pipe material
Answer: E
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The dimensionless parameter not applicable to flowing liquids, is
A:
Reynold number
B:
Weber number
C:
Pressure coefficient
D:
Kinematic viscosity
Answer: D
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To replace a pipe of diameter D by n parallel pipes of diameter d, the formula is
A:
B:
C:
D:
Answer: D
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The flow in which each liquid particle has a definite path and the paths of adjacent particles do not cross each other, is called
A:
stream line flow
B:
uniform flow
C:
steady flow
D:
turbulent flow.
Answer: A
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The gases are considered incompressible if Match number is
A:
equal to 1.0
B:
equal to 1.5
C:
is more than 0.5
D:
less than 0.2
Answer: D
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