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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Hydrometer is used to determine

specific gravity of solids
relative humidity
specific gravity of liquids
specific gravity of gases

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Hydraulics and Fluid Mechanics in ME
The loss of pressure head in case of laminar flow is proportional to

(Velocity)2
(Velocity)4
(Velocity)3
Velocity

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Hydraulics and Fluid Mechanics in ME
The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity.

Ax̅ / IG below
IG / Ax̅ above
IG / Ax̅ below
Ax̅ / IG above

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Hydraulics and Fluid Mechanics in ME
A flow through a long pipe at decreasing rate is called __________ uniform flow.

None of these
Unsteady
Steady
Both A and B

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Hydraulics and Fluid Mechanics in ME
One poise is equal to

10 N-s/m2
1 N-s/m2
100 N-s/m2
0.1 N-s/m2

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Hydraulics and Fluid Mechanics in ME
If the depth of water in an open channel is greater than the critical depth, the flow is called

Tranquil flow
Critical flow
Torrential flow
Turbulent flow

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