Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the___________________?

Question: Ferrites are __________ magnetic.
[A].

anti

[B].

para

[C].

ferri

[D].

ferro

Answer: Option C

Explanation:

No answer description available for this question.

Question: Babbit lining is used on brass/bronze bearings to increase the
[A].

antifriction properties.

[B].

compressive strength.

[C].

bearing resistance.

[D].

wear resistance.

Answer: Option D

Explanation:

No answer description available for this question.

Question: In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular diffusivity (θ) and thermal diffusivity (α). The units of these quantities are.
[A].

μ , α and θ all have units of m/s.

[B].

μ , α and θ all have units of m2/s.

[C].

α and θ have units of m2/s, while μ has unit of m/s.

[D].

α and θ have units of m/s, while μ has unit of m2/s.

Answer: Option C

Explanation:

No answer description available for this question.

Question: In a furnace with heating element temperature at 1700°C, the dominant machanism of heat transfer will be
[A].

conduction

[B].

radiation

[C].

natural convection

[D].

forced convection

Answer: Option B

Explanation:

No answer description available for this question.