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Hydraulics and Fluid Mechanics in ME

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 acts at a distance __________ from the liquid surface.

H/3
3H/4
2H/3
H/2

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Hydraulics and Fluid Mechanics in ME
Equation of continuity is based on the principle of conservation of

mass
None of these
momentum
energy

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Hydraulics and Fluid Mechanics in ME
The gross or total head of the turbine is the ___________ of the water levels at the head race and tail race.

Difference
Sum
None of these
Product

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Hydraulics and Fluid Mechanics in ME
Stoke is the unit of

Kinematic viscosity in M. K. S. units
Dynamic viscosity in M. K. S. units
Kinematic viscosity in C. G. S. units
Dynamic viscosity in S. I. units

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Hydraulics and Fluid Mechanics in ME
In a footstep bearing, if the radius of the shaft is doubled, then the torque required to overcome the viscous resistance will be

Double
Sixteen times
Eight times
Four times

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Hydraulics and Fluid Mechanics in ME
The velocity at which the laminar flow stops, is known as

Higher critical velocity
None of these
Lower critical velocity
Velocity of approach

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