STCW Shipboard Operations & Maintenance 3

Question 1

What is the function of a watertight integrity check prior to departure?

Accepted Answer

To ensure all openings and closures that prevent flooding are properly secured

Answer

A watertight integrity check confirms that hatches, doors, and other openings are secured to prevent flooding in an emergency.

Question 2

Under MARPOL Annex I, what must be recorded in the Oil Record Book?

Accepted Answer

All machinery space operations involving oil, including bilge water discharge

Answer

MARPOL requires every oil transfer, bilge pumping, and discharge from machinery spaces to be logged in the Oil Record Book.

Question 3

What is the purpose of a permit-to-work system on board?

Accepted Answer

To formally authorize hazardous tasks and identify necessary precautions

Answer

Permits to work ensure that hazardous jobs are assessed, controls are in place, and responsible persons have authorized the work.

Question 4

Which extinguishing agent is preferred for a Class B (flammable liquid) fire in a paint locker?

Accepted Answer

Dry powder or foam

Answer

Foam or dry powder is recommended for Class B fires as they smother the fire and do not spread the burning liquid.

Question 5

What does 'trim' refer to in shipboard operations?

Accepted Answer

The difference in draft between the bow and stern

Answer

Trim is the longitudinal inclination measured as the difference between forward and aft drafts.

(STCW) Standards Certification and Watchkeeping for Seafarers Practice Test