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Fluid Mechanics

Fluid Mechanics
N²Re/NFr is called the __________ number.

Galileo
Brinkman
Archimedes
Euler

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Fluid Mechanics
The Mach number for hypersonic flow of compressible fluid is

> 1
> 4
1
< 2

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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.)

d4/5
d2/3
√d
d1/3

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Fluid Mechanics
In power law, ζ = A (du/dy)² + B , then the fluid is

Dilatant
Thixotropic
Rheopectic
Newtonian

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Fluid Mechanics
Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around

2000
10
1000
100

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

1 N
0 N/m
5 kg/m³
∞ N/m²

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MORE MCQ ON Fluid Mechanics

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