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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is

0.116 stoke
0.0116 stoke
0.0611 stoke
0.611 stoke

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Hydraulics and Fluid Mechanics in ME
According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe)

flv²/2gd
flv²/gd
4flv²/2gd
3flv²/2gd

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Hydraulics and Fluid Mechanics in ME
A flow through an expanding tube at constant rate is called

Unsteady uniform flow
Steady uniform flow
Unsteady non-uniform flow
Steady non-uniform flow

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Hydraulics and Fluid Mechanics in ME
The maximum number of jets generally employed in impulse turbine without jet interference is

12
4
6
8

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Hydraulics and Fluid Mechanics in ME
Specific speed for reaction turbines ranges from

80 to 200
250 to 300
10 to 100
0 to 4.5

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Hydraulics and Fluid Mechanics in ME
All the terms of energy in Bernoulli’s equation have dimension of

energy
length
mass
work

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