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Fluid Mechanics

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

1
< 2
> 1
> 4

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

Newtonian
Rheopectic
Thixotropic
Dilatant

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

Froude
Weber
Reynold
Mach

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Fluid Mechanics
The ratio of hydrodynamic boundary layer to thermal boundary layer thickness in case of liquid metals is

> 1
1
2
< 1

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Fluid Mechanics
The fluid in which the shearing stress within it is proportional to the velocity gradient across the sheared section, is called a __________ fluid.

Newtonion
Perfect
None of these
Bingham

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Fluid Mechanics
The unit of dynamic viscosity in SI unit is

m² /sec
m/N. sec
N/m²
kg/m . sec

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MORE MCQ ON Fluid Mechanics

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