STCW Basic Firefighting chapter 4 Exam
2026 Questions and Answers
portable stored pressure water extinguishers are useful for extinguishing what class
of fires? - Correct answer-class A fires only
carbon monoxide extinguishers are effective in extinguishing which classes of fire,
and at what range? - Correct answer-classes B and C; 3-5 ft
what is the discharge time of AFFF portable extinguishers? - Correct answer-55
seconds
what type of extinguishers can be used for fire prevention? - Correct answer-AFFF
where is aqueous film forming foam wheeled semi-portable units found? - Correct
answer-machinery spaces
how do dry chemical extinguishers extinguish fire? - Correct answer-interrupting
the chemic chain reaction
what is the total range time of hand carried dry chemical extingushers - Correct
answer-8-25 seconds
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
2026 Questions and Answers
portable stored pressure water extinguishers are useful for extinguishing what class
of fires? - Correct answer-class A fires only
carbon monoxide extinguishers are effective in extinguishing which classes of fire,
and at what range? - Correct answer-classes B and C; 3-5 ft
what is the discharge time of AFFF portable extinguishers? - Correct answer-55
seconds
what type of extinguishers can be used for fire prevention? - Correct answer-AFFF
where is aqueous film forming foam wheeled semi-portable units found? - Correct
answer-machinery spaces
how do dry chemical extinguishers extinguish fire? - Correct answer-interrupting
the chemic chain reaction
what is the total range time of hand carried dry chemical extingushers - Correct
answer-8-25 seconds
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
