Question 176Safety & Environmental - 1st Asst/Chief
70% to passWhy is an upper limit switch used when raising the lifeboat?
ATo stop the lifeboat from being lowered.
BTo prevent the davits from pulling up against the stops.
CTo assist in cranking in the lifeboat.
DTo keep the tricing lines from releasing or getting tangled.
AI Explanation
The correct answer is B) To prevent the davits from pulling up against the stops. The purpose of an upper limit switch when raising a lifeboat is to automatically stop the lifeboat's upward movement before the davits pull up against the physical stops at the top of the davit's travel. This prevents damage to the davit system and ensures the lifeboat is lowered in a controlled manner. The other answer choices are incorrect - option A would stop the lowering, not the raising, option C does not describe the function of the upper limit switch, and option D is not related to the purpose of this particular safety device.
Related Questions
Q106:Carbon dioxide cylinders must be recharged when the cylinder charge weight is le... Q237:During vessel familiarization, you find the vessel you are newly assigned to as ... Q349:The term "oily mixture", as defined in the Pollution Prevention Regulations Q116:A tank vessel with an oil cargo capacity of 5000 barrels is required by regulati... Q275:Yawing is the angular motion of the vessel about what axis?
Ready to test your knowledge?
Take a Safety & Environmental - 1st Asst/Chief Practice ExamOfficial Resources