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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is

0.116 stoke
0.611 stoke
0.0611 stoke
0.0116 stoke

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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.

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

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Hydraulics and Fluid Mechanics in ME
Casting of a centrifugal pump is designed so as to minimize

Friction loss
Loss of kinetic energy
Cavitations
Static head

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Hydraulics and Fluid Mechanics in ME
The body will float if the force of buoyancy is ___ the weight of the liquid displaced.

Less than
Equal to
More than
None of the listed here

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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
The ratio of quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller is known as

Volumetric efficiency
Manometric efficiency
Mechanical efficiency
Overall efficiency

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