#1
Which refrigerant is commonly known by the code R134a?
#2
Which organization plays a key role in regulating the production and consumption of ozone-depleting substances?
#3
What is the purpose of the recovery and recycling of refrigerants in the HVAC&R industry?
#4
What is the primary function of an evaporator in a refrigeration system?
#5
Which substance is commonly used as a lubricant in refrigeration compressors?
#6
Which international day is dedicated to raising awareness about the importance of protecting the ozone layer?
#7
Which refrigerant property is a measure of its ability to absorb and release heat?
#8
What is the ozone depletion potential (ODP) of hydrochlorofluorocarbon (HCFC)-22?
#9
Which international agreement aims to phase out the production and consumption of ozone-depleting substances?
#10
Which class of refrigerants is known for having zero ozone depletion potential and low global warming potential?
#11
What is the primary concern associated with the use of hydrochlorofluorocarbons (HCFCs) in refrigeration and air conditioning systems?
#12
What is the term for the leakage of refrigerants into the atmosphere from refrigeration and air conditioning systems?
#13
What environmental impact is associated with the release of hydrofluorocarbons (HFCs) into the atmosphere?
#14
What is the primary role of the condenser in a refrigeration system?
#15
What is the Global Warming Potential (GWP) of carbon dioxide (CO2)?
#16
Which alternative refrigerant is considered environmentally friendly due to its low Global Warming Potential (GWP)?
#17
Which refrigerant is commonly used as a replacement for chlorofluorocarbons (CFCs) in refrigeration and air conditioning systems?
#18
Which refrigerant is known for its very high Global Warming Potential (GWP) and is being phased out in many regions?
#19
Which of the following is a natural refrigerant?
#20
What is the primary concern associated with the use of sulfur hexafluoride (SF6) as a refrigerant?
#21