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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The units of kinematic viscosity are

newton-sec per meter
kg sec/meter
metres² per sec
newton-sec per meter

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Hydraulics and Fluid Mechanics in ME
The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid)

wH/2
wH2/4
wH
wH2/2

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Hydraulics and Fluid Mechanics in ME
If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water

51 cm
50 cm
52 cm
52.2 cm

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Hydraulics and Fluid Mechanics in ME
The viscosity of a gas

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

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Hydraulics and Fluid Mechanics in ME
Which of the following is the unit of kinematic viscosity

poise
faraday
stoke
pascal

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Hydraulics and Fluid Mechanics in ME
The flow ratio in case of Francis turbine varies from

0.6 to 0.9
1 to 1.5
0.15 to 0.3
0.4 to 0.5

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