Deck : Deck General - 1058/5076
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| You are towing a 1000 gross ton gasoline tank barge. Regulations say that cargo tank hatches, ullage holes, and Butterworth plates may remain open without flame screens ONLY __________. |
| A) if an approved type B-II fire extinguisher is provided |
| B) for periods not to exceed five minutes |
| C) when the open tanks are gas free |
| D) if the barge is towed on a hawser astern |
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