MMC Shipboard Safety & Emergency Procedures 4

Question 1

What is the recommended body position to conserve heat while waiting for rescue in cold water without an immersion suit?

Accepted Answer

HELP (Heat Escape Lessening Posture) — knees drawn up, arms pressed to sides

Answer

The HELP position protects the body's major heat-loss areas (groin, armpits, chest) and can significantly extend survival time in cold water.

Question 2

Fixed CO2 fire suppression systems in machinery spaces must NOT be activated until:

Accepted Answer

All personnel are confirmed clear of the space and the space is sealed

Answer

CO2 displaces oxygen and is lethal; all personnel must be evacuated and the space sealed before activating the system.

Question 3

What is the purpose of a 'dead man' or 'watch alarm' system on a vessel?

Accepted Answer

To alert the bridge if the officer on watch becomes incapacitated

Answer

The watch alarm system requires periodic acknowledgment from the OOW and alerts others if it is not reset, indicating the watch officer may be incapacitated.

Question 4

Under SOLAS, vessel fire drills must be conducted at a minimum of:

Accepted Answer

Once per week

Answer

SOLAS requires fire drills and abandon ship drills to be conducted at least once per week when the vessel is at sea.

Question 5

Which agency administers the USCG National Response Center for reporting vessel pollution incidents?

Accepted Answer

USCG / NRC (National Response Center)

Answer

The National Response Center (NRC), operated by the USCG, is the sole federal point of contact for reporting oil and chemical spills.

(MMC) Merchant Mariner Credential Practice Test

(MMC) Merchant Mariner Credential Practice Test

MMC Shipboard Safety & Emergency Procedures 4