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Hydraulics and Fluid Mechanics in ME

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

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Hydraulics and Fluid Mechanics in ME
The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid)

K/ρ
ρ/K
K.ρ
None of the listed here

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Hydraulics and Fluid Mechanics in ME
The Fourneyron turbine is _________ reaction turbine.

An axial flow
A mixed flow
An outward flow
An inward flow

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Hydraulics and Fluid Mechanics in ME
When the Mach number is more than 6, the flow is called

Super-sonic flow
Sub-sonic flow
Sonic flow
Hyper-sonic flow

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

More than
Less than
Same as
None of these

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Hydraulics and Fluid Mechanics in ME
A turbine pump is basically a centrifugal pump equipped additionally with

Adjustable blades
Backward curved blades
Inlet guide blades
Vaned diffusion casing

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