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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 speed of the wheel is

20 r.p.m.
10 r.p.m.
40 r.p.m.
80 r.p.m.

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Hydraulics and Fluid Mechanics in ME
The product of mass and acceleration of flowing liquid is called

Pressure force
Gravity force
Viscous force
Inertia force

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Hydraulics and Fluid Mechanics in ME
Size of a venturimeter is specified by

both pipe diameter as well as throat diameter
angle of diverging section
throat diameter
pipe diameter

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Hydraulics and Fluid Mechanics in ME
The specific weight of water in S.I. units is taken as

9.81 kN/m3
9.81 × 103 N/m3
Any one of these
9.81 × 10-6 N/mm3

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Hydraulics and Fluid Mechanics in ME
The force of buoyancy is always __________ the weight of the liquid displaced by the body.

More than
None of these
Less than
Equal to

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Hydraulics and Fluid Mechanics in ME
A Pelton wheel is

Tangential flow impulse turbine
Inward flow reaction turbine
Outward flow impulse turbine
Inward flow impulse turbine

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