Deck_2014 : Safety - 1511/5254
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| In setting the valves on a steam-smothering system on a tank vessel, the master control valve to cargo tanks should be __________ . |
| A) open and individual tank valves open |
| B) open and the individual tank valves closed |
| C) closed and the individual tank valves closed |
| D) closed and the individual tank valves open |
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