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Fluid Mechanics

Fluid Mechanics
For an incompressible fluid, the bulk modulus of elasticity is

5 kg/m³
0 N/m
∞ N/m²
1 N

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Fluid Mechanics
Medium viscosity lubricating oil can be most ideally pumped by a __________ pump.

Centrifugal
Piston
Vane
Plunger

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Fluid Mechanics
The ratio of inertial forces to gravity forces is called the __________ number.

Weber
Froude
Mach
Euler

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Fluid Mechanics
Choose the set of pressure intensities that are equivalent.

10 psi, 19.7 ft. of water, 5.3 inches of Hg
4.33 psi, 10 ft. of water, 20.7 inches of Hg
10 psi, 19.7 ft. of water, 23.3 inches of Hg
4.33 psi, 10 ft. of water, 8.83 inches of Hg

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Fluid Mechanics
Laminar flow is characterised by the nonexistence of

All of these
Eddies
Pressure fluctuation
Deviating velocities

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Fluid Mechanics
Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.)

d1/3
√d
d2/3
d4/5

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MORE MCQ ON Fluid Mechanics

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