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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The correct relationship among displacement thickness d, momentum thickness m and energy thickness e is

e > d > m
d > e > m
e > m > d
d > m > e

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Hydraulics and Fluid Mechanics in ME
The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s)

w × Q (H + hf)
w × Q × hf
w × Q (H - hf)
w × Q × H

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Hydraulics and Fluid Mechanics in ME
The critical depth meter is used to measure

Hydraulic jump
Depth of channel
Depth of flow in an open channel
Velocity of flow in an open channel

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Hydraulics and Fluid Mechanics in ME
The pressure of a liquid measured with the help of a Piezometer tube is

Absolute pressure
Atmospheric pressure
Gauge pressure
Vacuum pressure

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Hydraulics and Fluid Mechanics in ME
Kinematic viscosity is dependent upon

Distance
Pressure
Density
Flow

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Hydraulics and Fluid Mechanics in ME
The length of a liquid stream while flowing over a weir __________ at the ends of the sill.

Expands
Contracts
Does not change
None of these

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