AFF Exit Exam • Set 4 Question 19 of 30
Mechanical foam used for firefighting is produced by mechanically mixing and agitating:
✓
Direct Answer
Option D: Foam chemical with air and water
Mechanical foam used in firefighting is generated by mixing a foam concentrate with water and then agitating this mixture with air. This process creates a foam blanket that cools and smothers the fire.
All Options
A
Dry chemical powder with water stream
B
Foam chemical with nitrogen gas
C
Liquid CO2 with water solution
D
Foam chemical with air and water
(Correct Answer)
Detailed Explanation & Context
Mechanical foam used in firefighting is generated by mixing a foam concentrate with water and then agitating this mixture with air. This process creates a foam blanket that cools and smothers the fire.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Fire Fighting (AFF).
Advertisement
Practice Full AFF Set 4
Test yourself with 30 interactive questions, live timer, and instant score.