STCW - BASIC FIREFIGHTING EXAM QUESTIONS AND ANSWERS
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STCW - BASIC FIREFIGHTING
Institution
STCW - BASIC FIREFIGHTING
STCW - BASIC FIREFIGHTING
What is the least expensive form of fire protection? - Answer- Fire prevention
List three common causes of shipboard fires - Answer- 1. Smoking
2. Spontaneous combustion
3. Galley operations
Most galley fires are caused by __________. - Answer- poor ...
STCW - BASIC FIREFIGHTING
What is the least expensive form of fire protection? - Answer- Fire prevention
List three common causes of shipboard fires - Answer- 1. Smoking
2. Spontaneous combustion
3. Galley operations
Most galley fires are caused by __________. - Answer- poor housekeeping and carelessness
From a fire prevention standpoint, good housekeeping means __________. - Answer- a place for
everything and everything in its place
Storage batteries are potential sources of ignition during charging because they emit __________. -
Answer- hydrogen
Any operation that requires heat to do a job or generates heat during the job is known as __________. -
Answer- hot work
How long after the completion of a welding/torch operation should the fire watch conduct a final
inspection? - Answer- 30 minutes OR cool to touch
Who implements a vessel's fire and life safety program? - Answer- All hands
A list of crew members' positions and assigned locations is known as the __________. - Answer-
station bill
What are the four parts to the fire tetrahedron? - Answer- 1. Heat
2. Oxygen
3. Fuel
4. Chain Reaction
According to the __________, heat tends to flow from a hot substance to a cold substance. - Answer-
Law of Heat Flow
The transfer of heat from one body to another body by direct contact is known as __________. - Answer-
conduction
A hand held a few inches above a flame feels the heat by __________. - Answer- convection
A hand held a few inches to the side of a flame feels the heat by __________. - Answer- radiation
Flaming combustion cannot be supported below what oxygen concentrations? - Answer- 15%
Combustion cannot be support below what oxygen concentrations? - Answer- 3%
Temperature at which a material gives off enough vapors to momentarily flash when exposed to an
ignition source is called __________. - Answer- flash point
The minimum and maximum percentage's of a substance in air that burns once it is ignited is known as
__________. - Answer- flammable limits/range
, Compressible substance with no specific volume that tends to assume the shape of its container is
__________. - Answer- gas
In the North American fire classification system, which type of fire involves ordinary combustible
materials? - Answer- Class A
In the North American fire classification system, which type of fire involves flammable and combustible
liquids and gases? - Answer- Class B
Another name for a small fire in the ignition or growth stages is the __________ Phase - Answer-
Incipient
The tendency of gases to form layers according to their temperature is known as __________. - Answer-
thermal layering
The most hazardous part of smoke is what? - Answer- Carbon monoxide
A condition that occurs when flames move through or across unburned gases during a fire's progression
is known as a __________. - Answer- rollover
During what stage of a fire does the amount of heat energy released begin to decline and become fuel
controlled? - Answer- Decay
An explosive ignition of gases that results when air enters a compartment and mixes with hot, unburned
gases is known as __________. - Answer- back draft
What signs can you look for to indicate a back draft? - Answer- - Smoke stained windows
- Smoke exiting under pressure
- Appearance of door trying to "breathe"
Rapid oxidation is more commonly known as __________. - Answer- combustion
What are six common extinguishing agents found aboard a vessel? - Answer- 1. Water
2. Foam
3. Halon
4. CO2
5. Dry chemical
6. Dry powder
Once gallon of water expands __________ times into steam. - Answer- 1700
Water is most commonly used on what class of fire, and removes what from the fire? - Answer- Class
A; heat
Foam usually comes in what two types? - Answer- 1. Hydrocarbon
2. Alcohol resistant
T/F - CO2 conducts electricity. - Answer- False
CO2 extinguishes a fire by __________ the oxygen. - Answer- displacing
Dry chemical extinguishes a fire how? - Answer- Interrupting the chemical chain reaction
Foam is used on fires because it does what? - Answer- Cools, smothers, and separates
The process of mixing foam and water is called __________. - Answer- proportioning
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