PST Exit Exam • Set 6 Question 25 of 30

The maximum speed of lowering for a lifeboat on gravity davits is controlled by the:

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Direct Answer

Option B: Governor brake

The governor brake (or centrifugal brake) is the primary mechanism that limits the speed of the lifeboat during gravity lowering to a safe rate of descent.

All Options

Electric winch motor

Governor brake (Correct Answer)

Hand crank handle

Limit switch

Detailed Explanation & Context

The governor brake (or centrifugal brake) is the primary mechanism that limits the speed of the lifeboat during gravity lowering to a safe rate of descent.

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

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More Questions in PST Set 6

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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?