Question

Which area is used in case of heat flow by conduction through a cylinder ?

a.

Logarithmic mean area

b.

Arithmetic mean area

c.

Geometric mean area

d.

None of these

Answer: (a).Logarithmic mean area

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. Which area is used in case of heat flow by conduction through a cylinder ?

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer can not take place

Q. The dimensionless group in mass transfer that is equivalent to Prandtl number in heat transfer is

Q. Finned tube heat exchangers

Q. The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation.

Q. A perfect black body is a perfect __________ of radiation.

Q. In case of parallel flow heat exchanger, the lowest temperature theoretically attainable by the hot fluid is __________ the outlet temperature of the cold fluid.

Q. An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a

Q. Which of the following is directly concerned with the heat transfer ?

Q. Pick out the wrong statement:

Q. Heat transfer by __________ may not necessarily require the presence of a medium.

Q. Pick out the correct statement.

Q. In a shell and tube type heat exchanger, the floating tube bundle heat arrangement is used

Q. Stefan-Boltzman law applies to __________ body.

Q. The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is

Q. Planck's distribution law is valid for __________ bodies.

Q. For hot feed, forward feeding as compared to backward feeding results in __________ economy.

Q. Radiation energy is emitted by all the substances, which are above

Q. Which one gives the monochromatic emissive power for black body radiation ?

Q. For what value of Prandtl number, St = f/2?

Q. In a shell and tube heat exchanger,

Recommended Subjects

Are you eager to expand your knowledge beyond Basic Chemical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!