A.increase
B.decrease
C.remain unchanged
D.be greatest at dew point
您可能感興趣的試卷
你可能感興趣的試題
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
A.low relative humidity is maintained
B.triple banded squirrel cage fans are used
C.air circulation is a maximum
D.high relative humidity is maintained
A.admit only enough fresh outside air to provide proper ventilation
B.reduce the air reheating system load
C.lower the compressor head pressure
D.operate the purge recovery unit continuously
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
最新試題
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
（） is not installed on the main switchboar.
If separating effect is not good, which measure should be taken （）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
The main purpose of port State control is not to（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
Under MARPOL Code the ship to which it applies has to carry （）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
Using a file without a handle may result in （）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）