85) During gas charging in an ammonia vapour compression system, the connection is made at the compressor outlet.

86) The conditioned air supplied to the room must have the capacity to take up

87) The process of removing moisture from the air, without change in its dry bulb temperature, is called dehumidification.

88) The specific humidity during dehumidification process

89) Which of the following refrigerant has the lowest freezing point?