Question 1001 Deck Safety

The correct answer is C) 49. The Fire Control Plan symbol for a heat detector is 49, as per the Fire Control Plan symbols shown in Illustration D039SA. This symbol represents a fixed temperature heat detector, which is a common fire detection device used on ships to monitor for high temperatures that could indicate a fire. The other answer choices do not represent heat detectors. Option A (18) is the symbol for a manual call point, option B (31) is the symbol for a smoke detector, and option D (63) is the symbol for a sprinkler head.