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Mechanic Refrigeration & Air Conditioning Practice Test: Water Cooler, Bottle Cooler And Deep Freezer
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Mechanic Refrigeration & Air Conditioning Practice Test: Water Cooler, Bottle Cooler And Deep Freezer
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25 Questions

1. The suitable substitute of R-12 is –
2. The temperature of internal cabinet a bottle cooler is a –
3. The correct statement for glass wool is –
4. Which component is used to make the door of the deep freezer air tight?
5. Which of the following is the purpose of pump down process?
6. Which of following the following is an insulating material?
7. Which of the following type water coolers are used where continuous supply of water is not available?
8. Which arrangement is made in storage type water cooler to stop the cool water from flowing upwards?
9. The component used for controlling temperature in a water cooler is –
10. What is the name of the sensing element in the thermostat of a bottle cooler?
11. The main point(s) of concern for a bottle cooler is are-
12. Which of the following machine is used to cool the drinking water in the bottle?
13. The water cooler maintains the temperature of water in the range of_________________
14. Which of the following deep freezers must have seen through glass doors?
15. The usual size of a bottle type cooler is –
16. The following refrigerant is not used in a water cooler –
17. The temperature of normal drinking water is
18. Which of the following is used to remove the frosted ice from the evaporator coils of a deep freezer?
19. Dehydro- freezing is a process involving both dehydration and –
20. What is the tank of the water cooler made of?
21. The component used for measuring positive and negative pressure is –
22. If HFC 134a refrigerant leaks then it displaces the air because-
23. The tank in a water cooler used for storing water is surrounded on all side by which coil______
24. For water cooled refrigerant condensers, the typical value of temperature difference between the refrigerant and entering water is –
25. It produces cooling in the water cooler –

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