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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
The pressure in Pascals at a depth of 1 m below the free surface of a body of water will be equal to

1 PA
981 PA
91 PA
9810 PA

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Hydraulics & Fluid Mechanics
Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the

force of friction
force of adhesion
force of diffusion
force of cohesion

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Hydraulics & Fluid Mechanics
For a floating body to be in stable equilibrium, its metacentre should be

above the center of buoyancy
between e.g. and center of pressure
below the center of buoyancy
above the center of gravity.

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Hydraulics & Fluid Mechanics
Coefficient of velocity for Borda’s mouth piece running full is

0.707
0.611
1.00
0.855

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Hydraulics & Fluid Mechanics
A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water ?

25 m/sec
2 m/sec
10 m/sec
50 m/sec

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Hydraulics & Fluid Mechanics
The line of action of the buoyant force acts through the centroid of the

displaced volume of the fluid
volume of the fluid vertically above the body
submerged body
volume of the floating body

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MORE MCQ ON Hydraulics & Fluid Mechanics

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