Fluid Mechanics MCQs

First power of its dimeter

Inverse of the fluid viscosity

Inverse square of the diameter

Square of the difference in specific weights of solid & fluid

Increase

Decrease

Not change

Exponentially decrease

0.25

0.5

0.66

0.95

The S.I. unit of dynamic viscosity

The S.I. unit of kinematic viscosity

Equivalent to one poise

Equivalent to one stoke

Decreasing the size of the inlet pipe

Increasing the size of the inlet pipe

Lowering the pump position

Both B and C

FL⁻¹

F⁻¹ . L

F.L⁻²

F⁻² . L

Less than the vapour pressure of the liquid at that temperature

Greater than the vapour pressure of the liquid at that temperature

Equal to the vapour pressure

Equal to the developed head

Less than

Equal to

Not necessarily greater than

Always greater than

Non-isothermal condition of

Compressible

Both A and B

Neither A nor B

Velocity

Velocity head

Turbulence

None of these