STCW - BASIC FIREFIGHTING
QUESTIONS & ANSWERS (GRADED
A+)
What is the least expensive form of fire protection? - ANSWERFire prevention
List three common causes of shipboard fires - ANSWER1. Smoking
2. Spontaneous combustion
3. Galley operations
Most galley fires are caused by __________. - ANSWERpoor housekeeping and
carelessness
According to the __________, heat tends to flow from a hot substance to a cold
substance. - ANSWERLaw of Heat Flow
The transfer of heat from one body to another body by direct contact is known as
__________. - ANSWERconduction
A hand held a few inches above a flame feels the heat by __________. -
ANSWERconvection
A hand held a few inches to the side of a flame feels the heat by __________. -
ANSWERradiation
Dry chemical extinguishes a fire how? - ANSWERInterrupting the chemical chain
reaction
Foam is used on fires because it does what? - ANSWERCools, smothers, and
separates
The process of mixing foam and water is called __________. -
ANSWERproportioning
What are the three methods of applying a foam stream? - ANSWER1. Bank down
2. Rain down
3. Roll on
Which foam is considered three-dimensional and is designed for fires in confined
spaces? - ANSWERHigh expansion foam
Flaming combustion cannot be supported below what oxygen concentrations? -
ANSWER15%
Combustion cannot be support below what oxygen concentrations? - ANSWER3%
, Temperature at which a material gives off enough vapors to momentarily flash when
exposed to an ignition source is called __________. - ANSWERflash point
The minimum and maximum percentage's of a substance in air that burns once it is
ignited is known as __________. - ANSWERflammable limits/range
Compressible substance with no specific volume that tends to assume the shape of
its container is __________. - ANSWERgas
In the North American fire classification system, which type of fire involves ordinary
combustible materials? - ANSWERClass A
In the North American fire classification system, which type of fire involves
flammable and combustible liquids and gases? - ANSWERClass B
Another name for a small fire in the ignition or growth stages is the __________
Phase - ANSWERIncipient
The tendency of gases to form layers according to their temperature is known as
__________. - ANSWERthermal layering
The most hazardous part of smoke is what? - ANSWERCarbon monoxide
A condition that occurs when flames move through or across unburned gases during
a fire's progression is known as a __________. - ANSWERrollover
During what stage of a fire does the amount of heat energy released begin to decline
and become fuel controlled? - ANSWERDecay
An explosive ignition of gases that results when air enters a compartment and mixes
with hot, unburned gases is known as __________. - ANSWERback 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 __________. - ANSWERcombustion
From a fire prevention standpoint, good housekeeping means __________. -
ANSWERa place for everything and everything in its place
Storage batteries are potential sources of ignition during charging because they emit
__________. - ANSWERhydrogen
Any operation that requires heat to do a job or generates heat during the job is
known as __________. - ANSWERhot work
QUESTIONS & ANSWERS (GRADED
A+)
What is the least expensive form of fire protection? - ANSWERFire prevention
List three common causes of shipboard fires - ANSWER1. Smoking
2. Spontaneous combustion
3. Galley operations
Most galley fires are caused by __________. - ANSWERpoor housekeeping and
carelessness
According to the __________, heat tends to flow from a hot substance to a cold
substance. - ANSWERLaw of Heat Flow
The transfer of heat from one body to another body by direct contact is known as
__________. - ANSWERconduction
A hand held a few inches above a flame feels the heat by __________. -
ANSWERconvection
A hand held a few inches to the side of a flame feels the heat by __________. -
ANSWERradiation
Dry chemical extinguishes a fire how? - ANSWERInterrupting the chemical chain
reaction
Foam is used on fires because it does what? - ANSWERCools, smothers, and
separates
The process of mixing foam and water is called __________. -
ANSWERproportioning
What are the three methods of applying a foam stream? - ANSWER1. Bank down
2. Rain down
3. Roll on
Which foam is considered three-dimensional and is designed for fires in confined
spaces? - ANSWERHigh expansion foam
Flaming combustion cannot be supported below what oxygen concentrations? -
ANSWER15%
Combustion cannot be support below what oxygen concentrations? - ANSWER3%
, Temperature at which a material gives off enough vapors to momentarily flash when
exposed to an ignition source is called __________. - ANSWERflash point
The minimum and maximum percentage's of a substance in air that burns once it is
ignited is known as __________. - ANSWERflammable limits/range
Compressible substance with no specific volume that tends to assume the shape of
its container is __________. - ANSWERgas
In the North American fire classification system, which type of fire involves ordinary
combustible materials? - ANSWERClass A
In the North American fire classification system, which type of fire involves
flammable and combustible liquids and gases? - ANSWERClass B
Another name for a small fire in the ignition or growth stages is the __________
Phase - ANSWERIncipient
The tendency of gases to form layers according to their temperature is known as
__________. - ANSWERthermal layering
The most hazardous part of smoke is what? - ANSWERCarbon monoxide
A condition that occurs when flames move through or across unburned gases during
a fire's progression is known as a __________. - ANSWERrollover
During what stage of a fire does the amount of heat energy released begin to decline
and become fuel controlled? - ANSWERDecay
An explosive ignition of gases that results when air enters a compartment and mixes
with hot, unburned gases is known as __________. - ANSWERback 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 __________. - ANSWERcombustion
From a fire prevention standpoint, good housekeeping means __________. -
ANSWERa place for everything and everything in its place
Storage batteries are potential sources of ignition during charging because they emit
__________. - ANSWERhydrogen
Any operation that requires heat to do a job or generates heat during the job is
known as __________. - ANSWERhot work
