[Shipboard Firefighting]

Question 1

What is the fire tetrahedron required for sustained combustion?

Answer 1

Fuel, oxygen, heat, and chain reaction

Question 2

What is the fire triangle required for combustion?

Answer 2

Fuel, oxygen, and heat

Question 3

Hydrogen fluoride (HF) is very toxic to humans. Concentrations above ___ parts per million (PPM) can be harmful and/or fatal.

Answer 3

3 PPM

Question 4

How do you check a bulkhead or door for heat?

Answer 4

With the back of your hand

Question 5

The lowest temperature at which a liquid gives off sufficient vapor to form an ignitable flame

Answer 5

Flashpoint

Question 6

Heat that radiates back to the fuel

Answer 6

Radiation feedback

Question 7

The transfer of heat through a solid body

Answer 7

Conduction

Question 8

The lowest temperature at which sustained combustion will occur without the application of a spark or flame

Answer 8

Ignition temperature/ignition point

Question 9

What are the four specific actions of agents?

Answer 9

1) Cooling
2) Smothering
3) Oxygen dilution
4) Chain breaking

Question 10

What are the abundant byproducts of incomplete and complete combustion, respectively?

Answer 10

Carbon monoxide (CO) and carbon dioxide (CO2)

Question 11

What is the purpose of ventilation?

Answer 11

To remove smoke and toxic gases

Question 12

How long is the time delay for the FM 200 and the CO2 system?

Answer 12

60 seconds

Question 13

How will FM 200 control cabinets or spaces containing valves or manifolds be conspicuously identified?

Answer 13

Red letters at least 2 inches high

Question 14

What are the four positions of a firefighting team?

Answer 14

1) Nozzle man
2) Backup man
3) Hose team member
4) Plug man/hose team member

Question 15

Chemical process in which a substance combines with oxygen

Answer 15

Oxidation

Question 15

Fifth class of fire

Answer 15

Class K

Kitchen appliances that involve combustible liquids

Extinguisher: Wet chemical

Question 16

How much pressure is in an SCBA cylinder?

Answer 16

4500 PSI

Question 19

Third class of fire

Answer 19

Class C

Energized electrical fire

Extinguisher: Secure power/CO2

Question 20

Second class of fire

Answer 20

Class B

Flammable liquids

Extinguisher: foam (AFFF)

Question 21

What should a crew member do upon discovering a fire?

Answer 21

Sound the alarm (continuous blast of ship’s whistle for not less than 10 seconds supplemented by the continuous ringing of the general alarm bells for not less than 10 seconds)

Question 22

What is the rapid oxidation of millions of vapor molecules?

Answer 22

Combustion

Question 23

What are the five stages of fire?

Answer 23

1) Ignition
2) Growth
3) Flashover
4) Fully-developed fire
5) Decay

Question 24

At what temperature will the FM 200 chemically break down?

Answer 24

At 1300 degrees, it turns into hydrogen fluoride

Question 25

Three types of alarms on Army watercraft

Answer 25

Audible, visual, and time delay

Question 26

What is the investigator’s role in a fire emergency?

Answer 26

Be the eyes and ears for the OSL

Question 27

The use of strategy, personnel, equipment, and systems to extinguish fires

Answer 27

Firefighting

Question 29

Fourth class of fire

Answer 29

Class D

Combustible metals

Extinguisher: Dry powder

DO NOT USE WATER

DO NOT CONFUSE DRY POWDER WITH DRY CHEMICAL

Question 30

The transfer of heat across an intervening space

Answer 30

Radiation

Question 30

First class of fire

Answer 30

Class A

Ash-producing

Extinguisher: water

Question 30

When should fire hoses be inspected?

Answer 30

During weekly fire drills

Question 31

Which extinguishing agent should NOT be used on Class K fires?

Answer 31

Water

Question 32

The transfer of heat through the motion of circulating gases or liquids

Answer 32

Convection

Question 33

What are the two types of attacks?

Answer 33

1) Direct - straight stream method

2) Indirect - fog stream method

Question 34

What type of heat moves in all directions?

Answer 34

Radiant heat