Questions With Correct Answers
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