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單項(xiàng)選擇題

In rough weather，when a ship is able to maneuver，it is best to launch a lifeboat（）.

A.on the lee side
B.on the windward side
C.with the wind dead ahead
D.with the wind from astern

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單項(xiàng)選擇題

In painting a lifeboat following its overhaul，which parts must be painted bright red?（）

A.the top 2-1/2 inches of each side
B.the releasing gear lever
C.the fuel tanks
D.the thwarts

單項(xiàng)選擇題

In order for combustion to occur inside a piping system such as a vapor collection header in a marine emmission control system，there must be（）.

A.fuel
B.oxygen
C.ignition
D.All of the above

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