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 cetane rating of diesel fuel is an indication of the ()
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.
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?()
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a()
() is not installed on the main switchboar.
To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()
Using a file without a handle may result in ()
Cold weather starting of a diesel engine may be made easier by()
()are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Flame failure in an automatically fired auxiliary boiler can from a/an ()