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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit discharge of wheel is

1.5 m3/s
0.5 m3/s
0.25 m3/s
2.5 m3/s

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Hydraulics and Fluid Mechanics in ME
An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of

0.75
1.2
0.8
1

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Hydraulics and Fluid Mechanics in ME
During the opening of a valve in a pipe line, the flow is

Unsteady
Laminar
Uniform
Steady

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Hydraulics and Fluid Mechanics in ME
Which of the following is dimensionless?

Specific speed
Specific volume
Specific gravity
Specific weight

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Hydraulics and Fluid Mechanics in ME
A hydraulic accumulator normally consists of

Two coaxial rams and two cylinders
A cylinder, a piston, storage tank and control valve
A cylinder and a ram
Two cylinders, two rams and a storage device

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Hydraulics and Fluid Mechanics in ME
Euler's number is the ratio of __________ force to pressure force.

Gravity
Viscous
Inertia
None of these

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