單項(xiàng)選擇題Hygroscopic cargoes should be ventilated when（）.

A.going from a warm to a cold
B.the dew point of the outside air is greater than the dew point of the air in the hold
C.the dew point of the air in the hold is very low
D.the outside dew point is 16°C and the cargo temperature is 12°C


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1.單項(xiàng)選擇題I have no choice（）to put such remarks.

A.or
B.and
C.but
D.when

2.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

3.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

4.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

5.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