REFRIGERANT AND INSULATION - Practice Mode

1) Which insulating material is poured as liquid?
Correct Answer: Poly Urethane Foam (PUF)
2) Which international agency standardises the numbering system for identifying refrigerants?
Correct Answer: ASHRAE
3) What is the ozone depleting potential of R 134a Refrigerant?
Correct Answer: 0
4) What is the category of R 502 refrigerant?
Correct Answer: Azeotropes
5) Which is the green house gas?
Correct Answer: Chlorofluoro carbon in air