Refresher Exit Exam • Set 1 Question 13 of 30

Class A fire extinguisher is best used on:

✓

Direct Answer

Option D: Solids

Class A fires involve ordinary combustible solids like wood, paper, and textiles. Water is the primary extinguishing agent as it provides a cooling effect.

All Options

Liquids

Metals

Gases

Solids (Correct Answer)

Detailed Explanation & Context

Class A fires involve ordinary combustible solids like wood, paper, and textiles. Water is the primary extinguishing agent as it provides a cooling effect.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Course for STCW Modular Courses (Refresher).

Practice Full Refresher Set 1

Test yourself with 30 interactive questions, live timer, and instant score.

Launch Practice Simulator →

Question Discussion & Notes

Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.

Loading mariner discussions...

« Previous Question Next Question »

More Questions in Refresher Set 1

View All 30 →

Q1 Fire Triangle Fill up the blanks Q2 Class A involves flammable liquids. True or False? Q3 What is the minimum capacity of emergency fire pumps in meter cube per hour? Q4 What is the best fire extinguisher for electrical fires? Q5 What is the color of light used for smaller boats? Q6 Fire extinguishing system required for propelling machines and diesel-driven motors: Q7 How many hours should a diesel-driven fire pump run? Q8 Dry chemical powder extinguisher works on what principle? Q9 Class B bulkheads are classified as B15 and B0. True or False? Q10 Maximum temperature of the unexposed side of a B class division: