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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The unit of viscosity is

Meters² per sec
Newton-sec per meter
Newton-sec per meter²
kg-sec/meter

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Hydraulics and Fluid Mechanics in ME
The time oscillation of a floating body with increase in metacentric height will be

higher
lower/higher depending on weight of body
lower
same

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Hydraulics and Fluid Mechanics in ME
Viscous force is the __________ of shear stress due to viscosity and cross-section area of flow.

Ratio
Sum
Different
Product

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Hydraulics and Fluid Mechanics in ME
Specific weight of water in S.I. units is equal to

9.81 xlO3 N/m3
1000 N/m3
10000 N/m3
9.81 xlO6 N/m3

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Hydraulics and Fluid Mechanics in ME
A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall per unit length is (where w = Specific weight of liquid, and H = Height of liquid)

wH2/3
wH2/2
wH
wH/2

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Hydraulics and Fluid Mechanics in ME
The discharge of a depressed nappe is 6 to 7 percent __________ that of a free nappe.

Equal to
More than
Less than
None of these

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