CHIEF ENGINEER Unit 18 Q2

1 / 8

What is the primary function of a foam fire suppression system in extinguishing fires?

D) Absorbing heat

A) Cooling the fire

B) Displacing oxygen

C) Forming a barrier over the fuel

2 / 8

Which is an advantage of using a water mist system in fire suppression?

C) Produces a chemical barrier over the fire

D) Easily disperses in open areas

A) Effective on flammable liquid fires only

B) Requires minimal water, reducing water damage

3 / 8

Which method of fire suppression is used by a water mist system?

D) Creating a vacuum

B) Displacing oxygen

A) Absorbing heat through fine water droplets

C) Forming a foam layer

4 / 8

Which of these systems is most likely used for machinery spaces on vessels?

C) CO₂ System

A) Foam System

D) All of the above

B) Water Mist System

5 / 8

How does a CO₂ fire suppression system extinguish a fire?

B) By displacing oxygen

D) By absorbing heat

C) By forming a foam barrier

A) By cooling the fire

6 / 8

Which of the following is NOT a type of fixed fire suppression system commonly found on vessels?

A) CO₂ System

B) Foam System

D) Halon System

C) Sprinkler System

7 / 8

Which of the following is a disadvantage of using a foam suppression system?

A) Ineffective on flammable liquids

B) Excessive water usage

D) Displaces oxygen

C) Foam residue can cause cleanup and equipment issues

8 / 8

What is one disadvantage of using a CO₂ fire suppression system on a vessel?

B) Produces foam residue

C) Displaces oxygen, which is hazardous to personnel

D) Ineffective in confined spaces

A) Requires too much space

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