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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
In impulse Turbine, energy available at the inlet is in the form of

None of these
Kinetic energy
Strain Energy
Potential Energy

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Hydraulics and Fluid Mechanics in ME
The wake

always occurs after a separation point
None of these
always occurs before a separation point
is a region of high pressure intensity

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Hydraulics and Fluid Mechanics in ME
A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is

9,000 kg
13,500 kg
27,000 kg
18,000 kg

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Hydraulics and Fluid Mechanics in ME
A turbine develops 10000 kW under a head of 25 meters at 135 r.p.m. Its specific speed is

215.5 r.p.m.
175.4 r.p.m.
275.4 r.p.m
241.5 r.p.m.

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Hydraulics and Fluid Mechanics in ME
A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to

10 kg
1000 kg
1 kg
100 kg

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Hydraulics and Fluid Mechanics in ME
The loss of head at entrance in a pipe is (where v = Velocity of liquid in the pipe)

v²/2g
0.5v²/2g
0.375v²/2g
0.75v²/2g

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