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