Mumbai University > Mechanical Engineering > Sem 8 > Refrigeration and air conditioning

Marks: 04M

Year: May 2016

1. Both evaporator and condenser pressures should be positive. If the pressure is lower than atmosphere, there is possibility of leakage of air, a non-condensable gas, into the system.Its presence inside system causes drastic decrease in capacity of refrigeration system.

2.This implies reduction in heat transfer in condenser which in turn …