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Civil Engineering - Hydraulics

Exercise : Hydraulics - Section 4
16.
To replace a pipe of diameter D by n parallel pipes of diameter d, the formula is
Answer: Option
Explanation:
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17.
The dimensionless parameter not applicable to flowing liquids, is
Reynold number
Weber number
Pressure coefficient
Kinematic viscosity
Friction factor.
Answer: Option
Explanation:
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18.
The pressure rise due to water hammer depends upon
the velocity of flow of water in the pipe
the length of pipe
time taken to close the valve
the elasticity of the pipe material
All of above.
Answer: Option
Explanation:
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19.
In a two dimensional flow if the components of the velocity are u = ax ; v = by, the point where no motion occurs, is known as
critical point
neutral point
stagnation point
stationary point
none of these.
Answer: Option
Explanation:
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20.
Most economical section of a circular channel for maximum velocity, is if,
depth of water = 0.810 diameter
hydraulic mean depth = 0.304 diameter
wetted perimeter = 2.245 diameters
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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