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Hydraulics and Fluid Mechanics in ME

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 (H + hf)
w × Q × H
w × Q × hf

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Hydraulics and Fluid Mechanics in ME
Dimensions of surface tension are

ML°T
ML°T⁻²
ML r²
ML²T²

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Hydraulics and Fluid Mechanics in ME
The force present in a moving liquid is

All of these
Gravity force
Viscous force
Inertia force

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Hydraulics and Fluid Mechanics in ME
The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel)

(q²/g)1/3
(q/g)1/2
(q⁴/g)1/5
(q³/g)1/4

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Hydraulics and Fluid Mechanics in ME
The value of coefficient of discharge is __________ the value of coefficient of velocity.

Less than
More than
None of these
Same as

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Hydraulics and Fluid Mechanics in ME
The depth of the bucket for a Pelton wheel is generally _________ the diameter of jet.

1.8 times
Equal to
Double
1.2 times

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