MMC Shipboard Safety & Emergency Procedures 3

Question 1

What does the acronym PASS stand for when using a portable fire extinguisher?

Accepted Answer

Pull, Aim, Squeeze, Sweep

Answer

PASS stands for Pull the pin, Aim at the base of the fire, Squeeze the handle, and Sweep side to side.

Question 2

When launching a lifeboat in rough seas, the boat should be lowered to the water:

Accepted Answer

From the leeward side of the vessel

Answer

Lifeboats should be launched from the leeward side so the vessel's hull provides shelter from wind and waves during boarding and launching.

Question 3

What is the primary purpose of a painter line attached to a liferaft?

Accepted Answer

To secure the liferaft to the vessel until it is fully inflated and boarded

Answer

The painter line connects the liferaft to the vessel to keep it close for boarding and is cut or released once all survivors are aboard.

Question 4

A hydrostatic release unit (HRU) on a liferaft automatically activates at a depth of approximately:

Accepted Answer

4 meters (13 feet)

Answer

The HRU is designed to release the liferaft container and allow it to float free when the vessel sinks to approximately 4 meters (13 feet) depth.

Question 5

What class of fire involves cooking oils and fats?

Accepted Answer

Class K

Answer

Class K fires involve cooking oils and fats and require wet chemical agents; they are distinct from Class B flammable liquid fires.

(MMC) Merchant Mariner Credential Practice Test