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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Metacentric height is the distance between the metacentre and

center of buoyancy
center of pressure
water surface
center of gravity

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Hydraulics and Fluid Mechanics in ME
The unit of kinematic viscosity in S. I. units is

m2/s
N-m
N-m/s
N-s/m2

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Hydraulics and Fluid Mechanics in ME
Maximum impulse will be developed in hydraulic ram when

Supply pipe is short
Waste valve closes suddenly
Supply pipe is long
Ram chamber is large

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Hydraulics and Fluid Mechanics in ME
At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be

Maximum
Minimum
Could be any value
Zero

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Hydraulics and Fluid Mechanics in ME
The viscosity of water is __________ than that of mercury.

Lower
Higher
None of these
Same as

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Hydraulics and Fluid Mechanics in ME
The height of a water column equivalent to a pressure of 0.15 MPa is

45.3 m
35.3 m
25.3 m
15.3 m

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