A.purge lube oil from the liquid refrigerant
B.recover water purged from the system
C.separate foul gases from the receiver
D.purge non-condensable gases without losing refrigerant
您可能感興趣的試卷
你可能感興趣的試題
A.chilled water temperature
B.dew point temperature
C.primary air temperature
D.dry bulb temperature
A.A room thermostat activates an electric heater at each individual chilled air outlet when necessary
B.Varying the number of passes the air makes across the coils
C.Varying the temperature of the water through the coils
D.Varying the quantity of water flowing through the coils
A.increase
B.decrease
C.remain unchanged
D.be greatest at dew point
A.changing the air filter
B.recharging the system
C.changing compressor lubricant
D.renewing container vacuum
A.filers
B.separators
C.ducted traps
D.dehumidifiers
最新試題
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
Diesel engine air start system check valves are opened by （）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
The shipboard oil pollution emergency plan will be invalid after （）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
Which of the following items don’t belong to dock repair works?（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）