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- Subject
- Refrigeration and Air Conditioningmechanical-engineering-mcqs › refrigeration-and-air-conditioning
- Published
- 25 Jan 2019
- Last updated
- 28 May 2026
Explanation
Ammonia is known to be both highly toxic and flammable, making option D the correct choice. It is not harmless, nor is it non-flammable.
More Refrigeration and Air Conditioning MCQs
Practice related questions from the same subject.
- 1.Identify the statement that is incorrect regarding the lithium bromide absorption system.
- 2.Identify the incorrect statement from the following:
- 3.Which of the following statements is accurate?
- 4.In a vapor compression refrigeration cycle, what is the state of the refrigerant right after it passes through the expansion valve?
- 5.Which refrigerant is commonly utilized in absorption refrigeration systems?
- 6.In a refrigeration cycle, the maximum temperature reached should ideally be:
- 7.What is one of the main reasons for sub-cooling the liquid refrigerant in a refrigeration system?
- 8.In a refrigeration cycle, how does the amount of heat absorbed compare to the heat expelled?
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