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Fluid Mechanics

Fluid Mechanics
The simple pitot tube measures the __________ pressure.

Static
None of these
Total
Dynamic

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Fluid Mechanics
As per Newton's law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to(where, μ = fluid viscosity)

μ²
1/μ
μ
1/μ²

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Fluid Mechanics
In Newton's law range, the drag co-efficient for the motion of spherical particle in a stationary fluid is

0.044
4.4
0.44
44

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Fluid Mechanics
For a stable equilibrium of a submerged body (where, G and B are centres of gravity & buoyancy respectively).

B & G coincide
None of these
G is above B
B is above G

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Fluid Mechanics
The unit of velocity head is

ft-lb/ft³
ft-lbf/lb
ft-lbf/sec
ft-lb/sec

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Fluid Mechanics
Which of the following is used for very accurate measurement of flow of gas at low velocity?

Pitot tube
Rotameter
Hot wire annemometer
Segmental orificemeter

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