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Refrigerants Quiz Questions Answers Practice Test
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Question 1 of 15
1. Question
1 pointsMost of the refrigeration gases are heavier than air
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Question 2 of 15
2. Question
1 pointsThe CFC and HCFC refrigerants were:
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Question 3 of 15
3. Question
1 pointsFreezing point of the refrigerant should be well above the expected evaporator temperature
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Question 4 of 15
4. Question
1 pointsRefrigerant should have which of the following properties:
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Question 5 of 15
5. Question
1 pointsR-410a is the best replacement for R-22 refrigerant
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Question 6 of 15
6. Question
1 pointsAs per ASHRAE which of the following refrigerant class has high flammability:
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Question 7 of 15
7. Question
1 pointsThermodynamic performance of simple CO2 cycle is _____ than HFCs
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Question 8 of 15
8. Question
1 pointsRefrigerants should have _____ dielectric strength
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Question 9 of 15
9. Question
1 pointsHFC refrigerant can cause which of the following:
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Question 10 of 15
10. Question
1 pointsRefrigerants are desired to have ____ freezing point:
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Question 11 of 15
11. Question
1 points_____ blends behave as a single substance refrigerants in the evaporating and condensing process:
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Question 12 of 15
12. Question
1 pointsThe Ozone depletion potential (ODP) of R-22 is _____ of R-11 refrigerant:
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Question 13 of 15
13. Question
1 pointsWhich of the following refrigerants have greater stability in lower parts of the atmosphere:
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Question 14 of 15
14. Question
1 pointsWhich of the following properties related to Ammonia refrigerant is correct:
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Question 15 of 15
15. Question
1 pointsWhich of the following refrigerant have higher efficiency during longer run:
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