engineering recuitment NMDC Junior Officer (Trainee) Mock Test 2024 Refrigeration and Air Conditioning Refrigeration Cycles and Devices
In a refrigeration plant, in a direct expansion evaporator:
1
The liquid refrigerant evaporates outside the tubes in a shell and tube heat exchanger
2
There is no need for a throttling device
3
The refrigerant evaporates in a finned coil, which cools air or liquid flowing across it
4
There is a coil with smooth surface inside for refrigerant evaporation