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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A double overhung Pelton wheel has

Two jets
Two runners
Four runners
Four jets

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Hydraulics and Fluid Mechanics in ME
The viscosity of a gas

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

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Hydraulics and Fluid Mechanics in ME
The increase in pressure at the outer edge of a drum of radius (r) completely filled up with liquid of density (ρ) and rotating at (ω) rad/s is

ρ ω2 r2/4
2ρ ω2 r2
ρ ω2 r2
ρ ω2 r2/2

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Hydraulics and Fluid Mechanics in ME
The length of a pipe is 1 km and its diameter is 20 cm. If the diameter of an equivalent pipe is 40 cm, then its length is

4 km
32 km
8 km
20 km

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Hydraulics and Fluid Mechanics in ME
An open tank containing liquid is moving with an acceleration on an inclined plane. The inclination of the free surface of the liquid will be __________ to the acceleration of the tank.

Equal to
Directly proportional
None of these
Inversely proportional

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Hydraulics and Fluid Mechanics in ME
A thick liquid like syrup has a ___ viscosity than a light liquid like water.

Lesser
Greater
None of the listed here
Same

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