RAFF Exit Exam • Set 3 Question 27 of 30

What is automated release unit (DRU)

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Direct Answer

Option A: An electromagnetic device which keep the door open until no fire is there

Door release units (DRUs) are electromagnetic devices linked to the fire detection system that automatically release self-closing fire doors during an alarm to contain smoke and fire spread throughout shipboard vertical zones.

All Options

An electromagnetic device which keep the door open until no fire is there (Correct Answer)

Automatic release unit for rescue boat

Automatic unit of lifeboat

None of the above

Detailed Explanation & Context

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Advanced Fire Fighting (RAFF).

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More Questions in RAFF Set 3

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Q1 A hand portable CO2 fire extinguisher is effectively in burning oil only ______ Q2 In cargo ships the diameter of fire main need to be sufficient for the discharge of _____ with two pumps simultaneously delivering through nozzles Q3 Foam extinguisher are checked by authorized shore persons every 5 years Q4 Spontaneous combustion is caused by ______ Q5 The maximum distance between centre to centre of heat detectors is 10 metre Q6 Which is the following is specially dedicated to receive shore supplied water ? Q7 The longer an oil fire is permitted to burn, the ______ Q8 Which of the following is not required to be part of vessel’s fire control plan? Q9 Sprinkler mainline is connected to the main sea water line Q10 A specific document which identifies a chemical, and a list its physical properties, health hazards, required controls, fire fighting procedures, cleanup methods, waste disposal and the safe handling is commonly called as _____