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Hydraulics and Fluid Mechanics in ME

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

Five times
Four times
Double
Three times

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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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Hydraulics and Fluid Mechanics in ME
Two pipe systems can be said to be equivalent, when the following quantites are same

friction loss and flow
friction factor and diameter
flow and length
length and diameter

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Hydraulics and Fluid Mechanics in ME
For 450 m head of water, _________ shall be used.

None of these
Francis turbine
Pelton wheel
Kaplan turbine

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Hydraulics and Fluid Mechanics in ME
Viscosity of water in comparison to mercury is

Lower
Same
Higher/lower depending on temperature
Higher

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Hydraulics and Fluid Mechanics in ME
A uniform body 3 m long, 2 m wide and 1 m deep floats in water. If the depth of immersion is 0.6 m, then the weight of the body is

33.3 kN
35.3 kN
None of these
3.53 kN

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