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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. The possible reason of sudden noise in the system is ___________
2. What is the best performance of the fan selected for duct system?
3. Which coating is applied on mild steel fabricated duct?
4. In dual-conduit system of all-air system of air-conditioning_________________
5. The possible reason of non-operation of the system is___________
6. Pressure drop in ducts take place because of ______________________
7. The ducts are mostly made of ______________
8. In which of the following ways the supply ducts may be arranged?
9. Resistivity of a wire depends on ________________
10. This type of duct requires least material for carrying air _____________
11. The example of primary air in a ducting system is ________________
12. Which of the following an air handling system consists?
13. AHU stands for ____________
14. What change occurs in the size of the duct when we go further into it?
15. The component used for reducing the size of the duct is _______________
16. The total pressure through a duct is equal to the sum of _____________
17. The various methods of duct design are ___________________
18. This type of duct requires least material for carrying air_________________
19. Where the heat transfer will be faster when compared to AHU?
20. Mode with sensor for detecting various faults in ducting is ___________
21. The component fitted inside the duct is __________
22. The reason due to which system fails to provide cooling is _____________
23. Which of the following tool is used for refacing the seats of different types of connectors?
24. In a low pressure duct system ________________
25. What do the sensors in the ducting simulation control?

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