PSCRB Exit Exam • Set 1 Question 24 of 30

Limit switches on gravity davits should be tested by

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Direct Answer

Option A: pushing the switch lever arm while the winch is running

Limit switches are safety devices designed to cut off power to the winch to prevent the davit arm from impacting the track stops. They are tested during the lowering operation by manually engaging the lever to ensure the power is immediately interrupted.

All Options

pushing the switch lever arm while the winch is running (Correct Answer)

the engineers, from a panel in the engine room

shutting off the current to the winch

Detailed Explanation & Context

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Proficiency in Survival Craft and Rescue Boats (PSCRB).

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