Class 4 (4th Engineer) SSEP 📅 Sep 2022

Exam Question

(a) Describe the braking arrangements fitted for the controlled lowering of lifeboats (5)

(b) State the periodic attention required by the wire rope falls.

(c) In a lifeboat davit with powered hoisting arrangement what prevents the lifeboat falls from being unduly strained? (5)

(d) At what lowering velocity does the centrifugal brake operate (5)

Reference Answer

### (a) Braking Arrangements for Controlled Lowering of Lifeboats
The braking arrangements on a gravity davit lifeboat winch are designed for controlled lowering and fail-safe operation. The primary systems are the Centrifugal Brake and the Manual Brake (Dead Man's Handle).
**1. Centrifugal Brake:**
This is an automatic, speed-governing brake designed to prevent the lifeboat from descending too quickly.

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