Chlorofluorocarbons (CFC) are widely used in

UPPSC-2021

General Knowledge

Easy

Appeared in: UPPSC-2021

Explanation

Chlorofluorocarbons (CFCs) were most widely and famously used as coolants, more commonly known as refrigerants.
Their excellent thermodynamic properties, such as low boiling points, non-toxicity, and non-flammability, made them ideal for use in refrigerators and air conditioning systems.
This widespread application in cooling technology was the primary reason for their mass production and subsequent significant environmental impact on the ozone layer.

Option A: While CFCs were used as propellants in aerosol spray cans, this was not their most widespread or significant application compared to their use as coolants.
Option B: CFCs are used in cooling cycles to remove heat from a space; they are not used to generate heat.
Option D: CFCs are chemical compounds that are electrical insulators, not conductors. They do not have properties that would make them useful for conducting electricity.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Primary applications of Chlorofluorocarbons (CFCs) as background academic context rather than a clinical decision trigger.
As part of community health, nurses educate the public on environmental health hazards. This includes the risks associated with ozone depletion, such as increased rates of skin cancer and cataracts, and promoting the use of CFC-free products.
Nurses can advise communities on the importance of proper disposal of old refrigerators and air conditioners to ensure the safe recovery of refrigerant gases and prevent their release into the atmosphere.
What if? If a family reports using an old, malfunctioning appliance for heating or cooking, a nurse should be aware of the potential for inhalation of toxic fumes. Burning fluorinated compounds can cause acute respiratory distress (e.g., polymer fume fever), requiring immediate medical assessment.

How to Approach the Question

First, identify the key term in the question: 'Chlorofluorocarbons (CFCs)'.
This is a factual recall question related to environmental science, a topic included in general knowledge for nursing exams.
Recall or deduce the primary industrial application of CFCs. Think about common household items where they were famously used, such as refrigerators and air conditioners.
Evaluate the options based on this knowledge. 'Coolants' directly relates to refrigeration and air conditioning.
Consider the other options. 'Propellants' is a valid but secondary use. 'Heaters' and 'Conductors' are scientifically incorrect functions for CFCs.
Select the option that represents the most significant and widespread use, which is 'Coolants'.

Concept Tested & Keywords

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