compressor
condenser
throttle valve
evaporator
第1题:
evaporator
condenser
expansion valve
compressor
第2题:
a shortage of refrigerant in the system
air in the system
an accumulation of liquid refrigerant in the crankcase
a shortage of oil in the crankcase
第3题:
Low compressor head pressure in a refrigeration system can be caused by ___.
A.insufficient condenser cooling water
B.excessive condenser cooling water
C.air in the refrigeration system
D.excessive refrigerant in the system
第4题:
compressor
condenser
receiver
evaporator
第5题:
below
above
equal to
much larger than
第6题:
liquid receiver
compressor
condenser
cooling coil
第7题:
extracts
releases
gives no
absorbs no
第8题:
insufficient condenser cooling water
excessive condenser cooling water
air in the refrigeration system
excessive refrigerant in the system
第9题:
compressor;condenser
condenser;evaporator
throttle valve;evaporator
evaporator;condenser
第10题:
latent heat of expansion
sensible heat of condensation
heat of compression
all of the above