Deck : Deck General - 773/5076
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| You are on a tankship designed to carry molten sulfur. Which statement is TRUE? |
| A) The pressure in the heating coils in the tanks must be less than that of the cargo exerted on them. |
| B) There must be two portable toxic vapor detectors on board. |
| C) Cargo temperature may be taken by portable thermometers. |
| D) The cargo tank ventilation system must maintain the H2S vapor concentration at 1.85% or more by volume. |
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