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Mechanic Refrigeration & Air Conditioning Practice Test: Duct
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Mechanic Refrigeration & Air Conditioning Practice Test: Duct
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25 Questions

1. In a low pressure duct system ________________
2. In which of the following air conditioning system zoning and duct work are eliminated?
3. In which of the following ways the supply ducts may be arranged?
4. The ducts are mostly made of ______________
5. Mode with sensor for detecting various faults in ducting is ___________
6. AHU stands for ____________
7. What do the sensors in the ducting simulation control?
8. The component fitted inside the duct is __________
9. The gap between the false ceiling and the main ceiling is referred as _____________
10. In dual-conduit system of all-air system of air-conditioning_________________
11. The possible reason of non-operation of the system is___________
12. The example of primary air in a ducting system is ________________
13. The possible reason of sudden noise in the system is ___________
14. The component used for reducing the size of the duct is _______________
15. This type of duct requires least material for carrying air_________________
16. What is the best performance of the fan selected for duct system?
17. This type of duct requires least material for carrying air _____________
18. Which is the following is the example of spiral duct?
19. The reason due to which system fails to provide cooling is _____________
20. Which arrangement avoids the foul smell coming inside through drain line in AHU?
21. Pressure drop in ducts take place because of ______________________
22. Resistivity of a wire depends on ________________
23. Which coating is applied on mild steel fabricated duct?
24. The total pressure through a duct is equal to the sum of _____________
25. Where the heat transfer will be faster when compared to AHU?

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