A.0°F
B.18°F
C.32°F
D.50°F
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A.open loop control
B.feedback
C.combining control
D.integral process
A.0~05Mpa
B.0~95Mpa
C.1~05Mpa
D.0~5Mpa
A.a mooring winch
B.a hoisting winch
C.a slewing winch
D.a luffing winch
A.a combustible element, fuel
B.energy (resources for ignition) to start the combustion
C.oxygen to support the combustion
D.both A and C are correct
A.hoisting system only
B.hoisting system and luffing system
C.hoisting system and slew and slewing system
D.slewing system only
最新試題
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
The main purpose of port State control is not to（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
（） is not installed on the main switchboar.
The condensers located in various stages of a flash evaporator are cooled by（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
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（）
To proceed to the assistance of a ship in distress is（）
Using a file without a handle may result in （）