A.refreshing the air
B.making person upset
C.adjusting the air humidity
D.adjusting the air temperature
您可能感興趣的試卷
你可能感興趣的試題
A.15 liters nautical mile
B.30 liters nautical mile
C.60 liters nautical mile
D.100 liters nautical mile
A.bilge tank
B.sludge tank
C.overflow tank
D.oil collecting tank
A.lack of refrigerant
B.refrigerant with much water
C.set defectively low pressure relay
D.no cooling water
A.centrifugal pump is cheaper than reciprocating pump
B.the size of centrifugal pump with same capacity is smaller than that of reciprocating pump
C.centrifugal pump makes maintenance easier than reciprocating pump does
D.all of the above
A.rise quickly
B.rise slowly
C.drop quickly
D.drop slowly
最新試題
Diesel engine air start system check valves are opened by （）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
The main purpose of port State control is not to（）