單項(xiàng)選擇題Gasoline tanks should be filled（）.

A.to the top to expel all vapors from the tanks
B.to the top so the operator is certain how much fuel he has aboard
C.with only sufficient fuel for the planned trip so excess gasoline is not carried
D.to near the top with some space allowed for gasoline expansion


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1.單項(xiàng)選擇題Generally speaking , the heavier cargo will go into the（）,distributing it evenly fore and aft, the lighter cargo will probably be placed in the（）.

A.deep tanks/lower holds
B.lower holds/tweendecks
C.tweendecks/deep tanks
D.deep tanks/tweendecks

2.單項(xiàng)選擇題Holes in the bulwark,Which allow deck water to drain into the sea, are（）.

A.doggers
B.fidleys
C.freeing ports
D.swash ports

3.單項(xiàng)選擇題How should cargo tank hatches be protected when the ullage opening is open and the tank not gas free?（）.

A.With gooseneck vents
B.With warning signs
C.With flame screens
D.With pressure-vacuum relife valves

4.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

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

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