單項(xiàng)選擇題In order to find out which lifeboat you are assigned, you should look at the （）.

A.Certificate of Inspection
B.Station Bill
C.Ships Articles
D.Fire Control Plan


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1.單項(xiàng)選擇題You may improve a vessels stability by （）.

A.keeping the fuel tanks topped off
B.increasing the free surface effect
C.keeping the fuel tanks at least half MI
D.keeping at least one fuel tank empty for slops

2.單項(xiàng)選擇題When reentering an engine room that has been flooded with CO2, the investigating team should initially（）.

A.leave the access door partially open
B.enter from the lowest level
C.enter from the highest level
D.attempt to operate machinery

3.單項(xiàng)選擇題If there has been a fire in a closed unventilated compartment it may be unsafe to enter because of （）.

A.unburned carbon particles
B.excess nitrogen
C.a lack of oxygen
D.excess hydrogen

4.單項(xiàng)選擇題After a fire has been extinguished in a closed space, personnel may safely enter the space when （）.

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

5.單項(xiàng)選擇題Which of the petroleum products listed has the lowest flash point?（）

A.Hydraulic oil
B.Lubricating oil
C.Diesel oil
D.Refrigeration oil