ineffective refrigeration

high power consumption

freezing automatic regulating valve

corrosion of whole system

it permits higher speeds to be used

it permits complete evaporation in the evaporator

it results in high volumetirc and mechanical efficiency

all of the above

Temperature of medium being cooled must be below that of the evaporator

Refrigerant leaves the condenser as liquid

All solar thermally operated absorption systems are capable only of intermittent operation

frost on evaporator reduces heat transfer

increases COP

decreases COF

COP remains unaltered

other factors decide COP

high

low

optimum

any value