manifold
condenser
chamber
plenum
第1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2题：
The part of the shipboard electrical system used to control the distribution of power to the branch circuits, is the ______.
A.bridge control panel
B.disconnect links
C.main switchboard
D.governor relay box
第3题：
In order to achieve greater dehumidification with an air conditioning system, you should ____.Ⅰ.reduce the cooling coil Ⅱ.temperature increase the re-heater temperature
A.Ⅰonly
B.Ⅱonly
C.BothⅠandⅡ
D.NeitherⅠnorⅡ
第4题：
evaporation
condensation
liquefies
vaporization
第5题：
Ⅰonly
Ⅱ only
BothⅠandⅡ
NeitherⅠnorⅡ
第6题：
To add refrigerant to the low side of an air conditioning system, the refrigerant should be introduced through the_______ .
A.suction service valve as a vapor
B.suction service valve as a liquid
C.discharge service valve as a vapor
D.charging valve as a liquid
第7题：
In an air conditioning system, moisture is removed from the air by ______.
A.filters
B.separators
C.ducted traps
D.dehumidifiers
第8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9题：
broken inlet valves
broken discharge valves
pulsations in the air distribution system
overloading of the air distribution system
第10题：
broken valve springs
tight drive belts
high line voltage
air in the system