A.leave the access door partially open
B.enter from the lowest level
C.enter from the highest level
D.attempt to operate machinery
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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 additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
Under MARPOL Code the ship to which it applies has to carry （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
The ISPS Code consists of a mandatory section-Part A, which shows（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
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Cold weather starting of a diesel engine may be made easier by（）