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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
One horsepower is equal to

550 watts
102 watts
735 watts
75 watts

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Hydraulics and Fluid Mechanics in ME
An object having 10 kg mass weighs 9.81 kg on a spring balance. The value of 'g' at this place is

9.75 m/sec²
9 m/sec
9.81 m/sec²
10 m/sec²

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Hydraulics and Fluid Mechanics in ME
The viscosity of a gas

is independent of temperature
increases with increase in temperature
is independent of pressure for very high pressure intensities
decreases with increase in temperature

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Hydraulics and Fluid Mechanics in ME
The discharge through a reaction turbine ___ with the increase in unit speed.

None of the listed here
Decreases
Remain same
Increases

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Hydraulics and Fluid Mechanics in ME
According to Bernoulli's equation

Z + p/w - v²/2g = constant
Z - p/w + v²/2g = constant
Z + p/w + v²/2g = constant
Z - p/w - v²/2g = constant

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Hydraulics and Fluid Mechanics in ME
A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm² and a volume of 0.039 m3 at 150 kg/cm². The bulk modulus of elasticity of liquid is

400 kg/cm²
40 × 10⁶ kg/cm²
4000 kg/cm²
40 × 10⁵ kg/cm²

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