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Fluid Mechanics

Fluid Mechanics
The __________ pressure is measured by a static tube.

Static
Dynamic
None of these
Total

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Fluid Mechanics
Pressure drop in a fluidised bed reactor is __________ that in a similar packed bed reactor.

More than
Same as
Less than
None of these

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Fluid Mechanics
In case of supersonic flow of a fluid through pipeline, the 'Mach number' is

< 1
> 1
1

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Fluid Mechanics
For water, when the pressure increases, the viscosity

Also increases
Decreases
Remains constant
First decreases, and then increases

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Fluid Mechanics
In magnetic flow meters, voltage generation is

Neither A nor B
Both A and B
Due to the motion of conducting fluid through an externally generated uniform field
Proportional to the fluid velocity

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Fluid Mechanics
The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s).

24
0.24
0.44
24000

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