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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Bernoulli's equation is applied to

Pitot tube
Orifice meter
All of the listed here
Venturimeter

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Hydraulics and Fluid Mechanics in ME
The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number)

64/RN
16/RN
1/RN
4/RN

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Hydraulics and Fluid Mechanics in ME
If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is

1
43924
4
2

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Hydraulics and Fluid Mechanics in ME
A flow is called super-sonic if the

Mach number is between 1 and 6
None of these
Velocity of flow is very high
Discharge is difficult to measure

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Hydraulics and Fluid Mechanics in ME
According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed)

A × √(m × i)
mi × √(A × C)
AC × √(m × i)
C × √(m × i)

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Hydraulics and Fluid Mechanics in ME
The discharge of a double acting reciprocating pump is (where L = Length of stroke, A = Cross-sectional area of piston, and N = Speed of crank in r.p.m.)

L.A.N
(2 L.A.N)/60
(L.A.N)/60
2 L.A.N

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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