A.leave the access door partially open
B.enter from the lowest level
C.enter from the highest level
D.attempt to operate machinery
您可能感興趣的試卷
你可能感興趣的試題
A.unburned carbon particles
B.excess nitrogen
C.a lack of oxygen
D.excess hydrogen
A.smoke density has been decreased sufficiently to see the bulkhead opposite the compartments entrance
B.a lifeline and explosion proof flash light are used
C.all smoke and toxic fumes are removed and an adequate oxygen supply is present
D.overhaul has been completed to remove any possible source of re-ignition
A.Hydraulic oil
B.Lubricating oil
C.Diesel oil
D.Refrigeration oil
A.CO2
B.ABC dry chemical
C.CO2 propelled foam
D.All of the above
A.CO2
B.Foam
C.Water fog
D.Soda acid
最新試題
The ISPS Code consists of a mandatory section-Part A, which shows()
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
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()
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()
Using a file without a handle may result in ()
()connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The main purpose of port State control is not to()
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()
The condensers located in various stages of a flash evaporator are cooled by()