PST Exit Exam • Set 6 Question 23 of 30

The centrifugal brake mechanism incorporated in a lifeboat handling winch is intended to:

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Direct Answer

Option C: Automatically control the speed of lowering by gravity

The centrifugal brake is a safety feature on the lifeboat winch that automatically regulates the lowering speed by gravity, preventing the boat from descending too fast.

All Options

Stop the boat instantly if a cable snaps

Increase the lifting speed of the winch motor

Automatically control the speed of lowering by gravity (Correct Answer)

Lock the davit arms in the stowed position

Detailed Explanation & Context

The centrifugal brake is a safety feature on the lifeboat winch that automatically regulates the lowering speed by gravity, preventing the boat from descending too fast.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Personal Survival Techniques (PST).

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Q1 How should the painter of a life raft fitted with a hydrostatic release unit be secured to the ship? Q2 Which one of the listed requirements regarding partially enclosed lifeboats does NOT correspond to present regulations? The canopy between rigid covers shall be: Q3 Which of the following is considered a general emergency on board a ship? Q4 Which one of the listed requirements regarding the stability of inflatable life rafts does NOT correspond to present regulations? The stability of inflatable life rafts shall be such that: Q5 Retro-reflective tape is provided on which equipment? Q6 How much lifeboat capacity should be provided on a conventional cargo ship of more than 85 meters in length? Q7 Which one of the listed requirements regarding rescue boat equipment does NOT correspond to present regulations? The normal equipment of every rescue boat shall include: Q8 A SART typically uses a lithium primary battery of: Q9 What is the minimum number of channels required for a portable 2-way VHF radio used for survival craft? Q10 Which channel is designated as the VHF follow-on communication channel and is mandatory in all portable survival craft equipment?