142) In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be

143) In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to

144) Accumulators should have adequate volume to store refrigerant charge at least

145) At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant

146) A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of- 23°C. The Cannot coefficient of performance of cycle will be