Question 1 of 27070
Q
When fighting a fire in a space containing an IMO class 1 hazardous cargo, the most effective fire fighting procedure is to __________.
A
use water from fire hoses or a sprinkler system
B
shut down the ventilation and exclude all air to smother the fire
C
activate the fixed CO2 firefighting system
D
use high-expansion foam
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Question 1 / 2707066636eec28f7522a1c51c2cd
Question 1 of 2707066636eec28f7522a1c51c2cd

When fighting a fire in a space containing an IMO class 1 hazardous cargo, the most effective fire fighting procedure is to __________.

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Question 1 of 27070
Q

When fighting a fire in a space containing an IMO class 1 hazardous cargo, the most effective fire fighting procedure is to __________.

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🔍 Key Concepts

• IMO Class 1 hazardous cargo characteristics (explosives and their behavior in fire) • Difference between cooling, smothering, and chemical inhibition in firefighting • Risks of confining heat and pressure when dealing with explosive materials

đź’­ Think About

• Ask yourself what happens to explosive materials if they are heated but not allowed to vent gases or pressure. • Consider which firefighting agent can safely reduce temperature and prevent detonation risk rather than trapping heat. • Think about standard cargo fire plans and IMDG Code guidance: what is generally recommended for explosives in a shipboard fire scenario?

âś… Before You Answer

• Verify what Class 1 (explosives) typically require in terms of cooling vs. smothering. • Check which option could increase internal pressure and risk of explosion by sealing the space. • Eliminate any methods that would trap heat or shock the cargo rather than safely dispersing heat.