On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds, which is TRUE?

Correct Answer: Option D — There is danger of heavy cargo sweat if outside air is introduced by ventilation.

Moving from cold to warm climates with nonhygroscopic cargo causes the ship's structure to warm slower than the ambient air. Introducing outside air brings warm, moisture-laden air that condenses upon contact with cold steel, creating heavy ship sweat.