The standard refrigeration cycle is used to compare refrigerants and machines operating under comparable conditions. These standard conditions are:
a) 1030 kPa and atmospheric pressure
b) 30 degrees Celsius condensing and -15 degrees Celsius evaporating
c) 30 kPa and atmospheric pressure
d) -30 degrees Celsius condensing and 15 degrees Celsius evaporating
e) 30 kPa and atmospheric temperature
Answer: B