STCW Basic Training Test With Correct
Solutions A+ Graded
Ship Fire Prevention CORRECT ANSWERS Ship design and construction
-steel/fire retardant materials
-subdivisions
-fire protection systems
Good housekeeping practices important
Number 1 cause of fire CORRECT ANSWERS CARELESS SMOKING HABITS!!!
- DISPOSAL
- SMOKING IN BED
- DISREGARD FOR RESTRICTED AREAS
• POOR HOUSEKEEPING
- Dirty/oily machinery
- Clothes drier lint accumulation
- Improper, non-secured storage
Examples of poor housekeeping practices CORRECT ANSWERS -Complacency about
fire safety on the job
-careless disposal of smoking materials
-defective electrical components
-spillage of flammable materials
-careless work habits
Fire Triangle CORRECT ANSWERS fuel, oxygen, heat
All of these components are necessary for a fire to occur The removal of any one
component will cause the fire to be extinguished
Fire Tetrahedron CORRECT ANSWERS Heat, Fuel, Oxygen, Chemical Chain Reaction
All of these components are necessary for a fire to occur The removal of any one
component will cause the fire to be extinguished
Heat CORRECT ANSWERS Anything that produces the required temperature for
ignition will satisfy this leg of the triangle
- Sun
- Open Flame
- Chemical Reaction
- Sparks
- Friction
- Static Electricity
, - Biological Processes
Oxygen CORRECT ANSWERS The Earth's atmosphere consists of 21% oxygen
Because fire needs oxygen to burn, the amount of oxygen available to it controls the
rate at which it burns
Fuel CORRECT ANSWERS Only vapors burn
• Liquids & solids are too dense and must first be vaporized
• The tendency of a substance to vaporize is an indication of its ability to burn.
• Liquids vaporize more readily than solids
• Gases are already in a vapor state
Chain Reaction CORRECT ANSWERS You can have Oxygen - Heat - Fuel in the same
place at the same time and still not have a fire (explain)
• FUEL - OXYGEN relationship must be balanced, i.e., must be in the Flammable
Range
• Heat must be sufficient to bring fuel to its "Ignition Temperature"
To Stop a Fire CORRECT ANSWERS • remove the fuel
• remove the heat
• remove the oxygen
• interrupt chemical reaction
OR • do any combination of above
Classifications of Fires CORRECT ANSWERS Five classes of fire:
1. Class A - combustible solids (wood paper, rubber)
2. Class B - combustible and flammable liquids and gases (oil, gasoline)
3. Class C - energized electrical equipment (electrical equipment, wiring, appliances)
4. Class D - combustible metals (sodium, zinc, manganese)
5. Class K - cooking material (animal/vegetable fats)
Flash point CORRECT ANSWERS FLASH POINT (of a Liquid)
- The lowest temperature at which a liquid gives off sufficient vapor to form an ignitable
mixture at the surface of the liquid
- Fire flashes across the surface given sufficient oxygen and an external source of
ignition
- Lowest temperature at which we can have a fire
- Indicator of the severity of a fire hazard
Fire Point CORRECT ANSWERS Just above the flash point - liquid vaporizes rapidly
enough to sustain continuous combustion
Ignition Temperature CORRECT ANSWERS - Lowest temperature of a combustible
substance at which sustained combustion will occur without a spark or flame
- Substance starts to burn
Solutions A+ Graded
Ship Fire Prevention CORRECT ANSWERS Ship design and construction
-steel/fire retardant materials
-subdivisions
-fire protection systems
Good housekeeping practices important
Number 1 cause of fire CORRECT ANSWERS CARELESS SMOKING HABITS!!!
- DISPOSAL
- SMOKING IN BED
- DISREGARD FOR RESTRICTED AREAS
• POOR HOUSEKEEPING
- Dirty/oily machinery
- Clothes drier lint accumulation
- Improper, non-secured storage
Examples of poor housekeeping practices CORRECT ANSWERS -Complacency about
fire safety on the job
-careless disposal of smoking materials
-defective electrical components
-spillage of flammable materials
-careless work habits
Fire Triangle CORRECT ANSWERS fuel, oxygen, heat
All of these components are necessary for a fire to occur The removal of any one
component will cause the fire to be extinguished
Fire Tetrahedron CORRECT ANSWERS Heat, Fuel, Oxygen, Chemical Chain Reaction
All of these components are necessary for a fire to occur The removal of any one
component will cause the fire to be extinguished
Heat CORRECT ANSWERS Anything that produces the required temperature for
ignition will satisfy this leg of the triangle
- Sun
- Open Flame
- Chemical Reaction
- Sparks
- Friction
- Static Electricity
, - Biological Processes
Oxygen CORRECT ANSWERS The Earth's atmosphere consists of 21% oxygen
Because fire needs oxygen to burn, the amount of oxygen available to it controls the
rate at which it burns
Fuel CORRECT ANSWERS Only vapors burn
• Liquids & solids are too dense and must first be vaporized
• The tendency of a substance to vaporize is an indication of its ability to burn.
• Liquids vaporize more readily than solids
• Gases are already in a vapor state
Chain Reaction CORRECT ANSWERS You can have Oxygen - Heat - Fuel in the same
place at the same time and still not have a fire (explain)
• FUEL - OXYGEN relationship must be balanced, i.e., must be in the Flammable
Range
• Heat must be sufficient to bring fuel to its "Ignition Temperature"
To Stop a Fire CORRECT ANSWERS • remove the fuel
• remove the heat
• remove the oxygen
• interrupt chemical reaction
OR • do any combination of above
Classifications of Fires CORRECT ANSWERS Five classes of fire:
1. Class A - combustible solids (wood paper, rubber)
2. Class B - combustible and flammable liquids and gases (oil, gasoline)
3. Class C - energized electrical equipment (electrical equipment, wiring, appliances)
4. Class D - combustible metals (sodium, zinc, manganese)
5. Class K - cooking material (animal/vegetable fats)
Flash point CORRECT ANSWERS FLASH POINT (of a Liquid)
- The lowest temperature at which a liquid gives off sufficient vapor to form an ignitable
mixture at the surface of the liquid
- Fire flashes across the surface given sufficient oxygen and an external source of
ignition
- Lowest temperature at which we can have a fire
- Indicator of the severity of a fire hazard
Fire Point CORRECT ANSWERS Just above the flash point - liquid vaporizes rapidly
enough to sustain continuous combustion
Ignition Temperature CORRECT ANSWERS - Lowest temperature of a combustible
substance at which sustained combustion will occur without a spark or flame
- Substance starts to burn
