Question 1 - Section A: (i) Air can be heated either by using an electrical heating coil or by injecting hot steam. Using sketches of the psychrometric chart, compare the above two methods of heating the air. (ii) Briefly describe two practical ways to implement evaporative (adiabatic) cooling in an air- conditioning system. (Naming the methods without describing will not be sufficient). (iii) Briefly discuss two methods you can use to eliminate or minimise harmful pathogens in the conditioned air that you supply into a large building.

Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter2: Matter And Energy
Section: Chapter Questions
Problem 15RQ: Why is information regarding the specific volume of gases important to the designer of...
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I need help to prepare to tomorrows exam. It needs to be shown on psychometric chart as well.
Question 1 - Section A:
(i) Air can be heated either by using an electrical heating coil or by injecting hot steam. Using
sketches of the psychrometric chart, compare the above two methods of heating the air.
(ii) Briefly describe two practical ways to implement evaporative (adiabatic) cooling in an air-
conditioning system. (Naming the methods without describing will not be sufficient).
(iii) Briefly discuss two methods you can use to eliminate or minimise harmful pathogens in the
conditioned air that you supply into a large building.
Transcribed Image Text:Question 1 - Section A: (i) Air can be heated either by using an electrical heating coil or by injecting hot steam. Using sketches of the psychrometric chart, compare the above two methods of heating the air. (ii) Briefly describe two practical ways to implement evaporative (adiabatic) cooling in an air- conditioning system. (Naming the methods without describing will not be sufficient). (iii) Briefly discuss two methods you can use to eliminate or minimise harmful pathogens in the conditioned air that you supply into a large building.
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