hydrofluorocarbons used PRELIMS – UPSC 2023 – The Core IAS

hydrofluorocarbons used PRELIMS – UPSC 2023

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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?

(a)   Only one

(b)   Only two

(c)   Only three

(d)   All four

UPSC ANSWER : C ( May be they taken Lubricant as wrong)

  • Hydrofluorocarbons (HFCs) are greenhouse gases (GHGs) commonly used by federal agencies in a wide variety of applications, including refrigeration, air-conditioning (AC), building insulation, fire extinguishing systems, and aerosols
  • Hydrofluorocarbons (HFCs), which are often used in foam blowing agents
  • The new synthetic lubricants have miscibility with HFC re- frigerants, such as HFC-l34a, similar to that of mineral oils with CFCs