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Fluid Mechanics

Fluid Mechanics
Lower BWG means __________ of the tube.

Inner diameter
Lower cross-section
Lower thickness
Outer diameter

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Fluid Mechanics
A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now

Decrease
Increase
Remain same
Data insufficient to predict

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

Thixotropic
Rheopectic
Newtonian
Dilatant

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Fluid Mechanics
Design of the casing of centrifugal pump should be such as to minimise the

Loss of kinetic head
Back flow through impeller
None of these
Loss of static head

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Fluid Mechanics
In magnetic flow meters, voltage generation is

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

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Fluid Mechanics
The simple pitot tube measures the __________ pressure.

None of these
Total
Dynamic
Static

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