and 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