In any heat exchanger, the log mean temperature difference "could" be the same as the mean "average" temperature difference of both ends of the heat exchanger, depending on the temperature profile within that heat exchanger along heat exchanger tubes. Select one: O True O False At very low pressures (vacuum), the thermal conductivity of gases approaches zero. Select one: O True OFalse
In any heat exchanger, the log mean temperature difference "could" be the same as the mean "average" temperature difference of both ends of the heat exchanger, depending on the temperature profile within that heat exchanger along heat exchanger tubes. Select one: O True O False At very low pressures (vacuum), the thermal conductivity of gases approaches zero. Select one: O True OFalse
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Heat Exchangers
Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.
Heat Exchanger
The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.
Question
Transcribed Image Text:In any heat exchanger, the log mean temperature
difference "could" be the same as the mean
"average" temperature difference of both ends of
the heat exchanger, depending on the temperature
profile within that heat exchanger along heat
exchanger tubes.
Select one:
OTrue
O False
At very low pressures (vacuum), the thermal
conductivity of gases approaches zero.
Select one:
O True
O False
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