A.without first cooling it
B.without first heating it
C.without first unloading it
D.without first loading it
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A.air
B.moisture
C.cooling water
D.lubricant
A.drained off
B.collected
C.sent to the crankcases
D.separated with oil
A.rotary compressors
B.reciprocating compressors
C.centrifugal compressors
D.screw compressors
A.starting diesel engines
B.pneumatic control systems
C.pneumatic tools
D.supercharging air
A.globe valves
B.butterfly valves
C.gate valves
D.reducing valves
A.a sewage treatment plant
B.the extended aeration process
C.the liquor
D.the bubbling air
A.in boiler drums
B.in refrigerating plants
C.in starting air pipes
D.in air coolers
A.boiler drums
B.hot wells
C.condensers
D.evaporators
A.high pressure alarm
B.fire alarm
C.extinguishers
D.fusible plugs
A.filled
B.evacuated
C.compressed
D.charged
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() is not installed on the main switchboar.
()are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
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
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a()
To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()
The main purpose of port State control is not to()
The treatment of the fuel oils involves storage, heating, filtering and()
()connectors hold best if a wire is accidentally pulled or a connection becomes loose.