單項(xiàng)選擇題I herely request permission to（）the ship hull for routine maintenance.

A.put paint on
B.apply paint onto
C.oil
D.paint


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1.單項(xiàng)選擇題If a cargo of kerosene were considered too lean to explode, then it must be（）.

A.above the explosive range
B.within the explosive range
C.below the explosive range
D.None of the above

2.單項(xiàng)選擇題If a vessel takes a sudden severe list or trim from an unknown cause, you should first（）.

A.determine the cause before taking countermeasures
B.assume the shift is due to off-center loading
C.counterflood on the side opposite the list or trim
D.assume the cause is environment forces

3.單項(xiàng)選擇題If a void occurs in the cargo hold, it is better to（）to control the broken stowage.

A.brace it with dunnage
B.cover it with large pieces
C.fill it with small pieces
D.leave it as it is

4.單項(xiàng)選擇題If reefer spaces are not properly cleaned prior to loading cargo, it will most likely cause（）.

A.mold to develop on commodities
B.malfunction of the refrigeration equipment
C.contamination of the insulation in the space
D.All of the above

5.單項(xiàng)選擇題If the buoyant force on a ship’s hull is equal to the displacement tonnage, the ship cause（）.

A.require ballast
B.be down by the head
C.sink
D.float