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Building & Construction Practice Test: The Air Conditioning System
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Building & Construction Practice Test: The Air Conditioning System
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20 Questions

1. Room air conditioners and packaged units are examples of _________
2. In a chilled water system, the refrigerant is used to cool the air directly while in the direct expansion system, a secondary medium like water is used to cool the air.
3. Which of the following is capable of absorbing excess moisture from the air?
4. Which of the following is capable of absorbing excess moisture from the air?
5. According to the Indian Standard Code IS: 3362-1977, in the case of natural ventilation, flow per unit area of the opening is greatest when the inlet and outlet openings are of nearly equal __________
6. Which of the following qualities is not possessed by the filters in the air conditioning system?
7. The rate of flow through an opening due to the wind blowing on the wall containing it is given by the expression ___________
8. The rate of flow of air arising due to the difference in temperature of outside and inside is given by the expression ____________
9. The rate of ventilation depends on both the wind effect and the stack effect.
10. If the direction of the wind is at 90° to one of the faces, positive pressure will be produced on __________
11. The rate of flow of air arising due to the difference in temperature of outside and inside is given by the expression ____________
12. Which of the following qualities is not possessed by the filters in the air conditioning system?
13. According to the Indian Standard Code IS: 3362-1977, in the case of natural ventilation, flow per unit area of the opening is greatest when the inlet and outlet openings are of nearly equal __________
14. Which of the following is not a component of packaged air conditioners?
15. Room air conditioners and packaged units are examples of _________
16. The coefficient of effectiveness decreases with the relative size of the larger opening.
17. Ventilation arising from the temperature difference between outside and inside takes place due to ____________ effect.
18. If the direction of the wind is at 90° to one of the faces, positive pressure will be produced on __________
19. In the expression for finding the rate of flow of air arising due to the difference in temperature of outside and inside, the coefficient of effectiveness for general conditions is taken as ___________
20. Which of the following is not a component of packaged air conditioners?

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