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

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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

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

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You may improve a vessels stability by （）.

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

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

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