It is not true that
a) double tube condensers has the lowest efficiency of the three design of condensers
b) shell and coil condenser is high efficiency and easy to clean
c) shell and tube condenser is used in ammonia refrigeration system
d) finned tube evaporators may be used in the large air conditioning systems
e) the dry type evaporator may contain some small amount of liquid refrigerant in any given time
Answer: B