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UPSC Prelims 2023 Question on – Uses of Hydrofluorocarbons
Q. Consider the following:
1. Aerosols
2. Foam agents
3. Fire retardants
4. Lubricants
In the making of how many of the above are hydrofluorocarbons used?
✅ Correct Answer: [C] Only three
Explanation:
- Aerosols: Correct. HFCs are used as aerosol propellants.
- Foam agents: Correct. HFCs are used in the production of insulating foams.
- Fire retardants: Correct. HFCs have limited applications in fire protection systems.
- Lubricants: Incorrect. HFCs are generally not used in the manufacture of lubricants.
- HFCs are widely used in refrigeration, air conditioning, aerosols, insulating foams, and fire protection.
