What are the basic requirements for refrigerant?
[5 marks]How physical properties of refrigerants are important?
[5 marks]How the refrigerants are important in air conditioning?
[5 marks]Explain azeotropic and zeotropic.
[5 marks]Enlist the selection procedure of refrigerant which is used in air conditioning system.
[5 marks]Give the difference between primary and secondary refrigerants.
Explain in detail the properties of lubricating oils.
[5 marks]Explain in details anti-freeze solution.
[5 marks]Explain the different types of Refrigerant oil used in refrigerating unit.
[5 marks]What are the applications of commonly used refrigerant.
[5 marks]What is the purpose of using cooling media and liquid absorbents in refrigerating unit.
[5 marks]Write down the Properties of different types of refrigerants.
[5 marks]Define Global Warming. Explain Global warming.
[5 marks]What are the major Effects of Greenhouse Effect?
[5 marks]Explain thermal properties of refrigerants.
[5 marks]What are the major Causes of Global Warming?
[5 marks]Explain Green-house gases with its effect on environment.
[5 marks]