filers
separators
ducted traps
dehumidifiers
第1题：
Moisture is removed from a refrigeration system by
A.bleeding refrigerant from the condenser
B.opening a drain petcock on the oil separator
C.condensing the water in the heat exchanger
D.using a dehydrator cartridge
第2题：
In an air conditioning system, moisture is removed from the air by ______.
A.filters
B.separators
C.ducted traps
D.dehumidifiers
第3题：
Which of the processes listed would be the most satisfactory method to use to lower the humidity of the air being circulated by an air conditioning system?
A.Cooling the air to a temperature just above dew point
B.Heating the air to a point at which moisture will boil off ,then re-cooling it
C.Cooling the air to a point below dew point, then reheating it
D.Heating the air and then cooling it to a point below dew point
第4题：
control inlet air temperature
control inlet air volume
maintain relative humidity at 15%
restore conditioned air temperature to a comfortable level
第5题：
increase the density of the cylinder air charge
prevent turbocharger overheating
liminate the need for a pre-cooler
remove moisture from air compressed by the turbocharger
第6题：
Restrictions occurring in the small orifices(孔) of pneumatic control system components can be caused by ______.
A.moisture in the compressed air supply
B.excessive dryness in the compressed air supply
C.pressure surging in the compressed air receiver
D.insufficient lubrication of the system components
第7题：
evaporation
condensation
liquefies
vaporization
第8题：
Ventilation ().
A、is a system for moving fresh air
B、can cut indoor pollution to a safe level
C、can cause some diseases
D、is better done through air-conditioning
第9题：
broken valve springs
tight drive belts
high line voltage
air in the system
第10题：
chilled water temperature
dew point temperature
primary air temperature
dry bulb temperature