of cooling medium

of freezing zone

of evaporator

at which refrigerant gas becomes liquid

results in loss of heat due to poor heat transfer

increases heat transfer rate

is immaterial

can be avoided by proper design

high, of the order of 25°

as low as possible (3 to 11°C)

zero

any value

collect liquid refrigerant and prevent it from going to compressor

detect liquid in vapour

superheat the vapour

collect vapours

10%

25%

50%

75%