ARFF DRIVER OPERATOR EXAM
QUESTIONS WITH 100% CORRECT
ANSWERS
Four factors affecting stopping - Answer- -Driving and surface conditions
-traveling speed
-weight of the apparatus
-conditions of the braking system
Commercial transport aircraft - Answer- narrow-235 passengers, wide over 500 and
large 900
Commuter/regional aircraft - Answer- twin engine turboprops, possible to find jet
powered
business/corporate aviation aircraft - Answer- light aircraft to commercial type jets
Primary agents - Answer- Complete knockdown of fire, WATER/FOAM are the main
extinguishing agents
auxiliary agents - Answer- When used alone are not capable of controlling or
extinguishing a fire. DRY CHEMICAL/DRY POWDER
Specific Heat - Answer- measured by BTU. One BTU is the amount of heat required to
raise one pound of water one degree Fahrenheit.
Law of Latent Heat of Vaporization - Answer- The amount of heat that is required to turn
a liquid into a vapor
water science shit - Answer- It takes one BTU to raise one pound of water 1 degree, up
to 212degrees then additional 970 BTU to convert it to steam
Straight Stream - Answer- discharged at 100GPM and is converted to steam by a 500
degree fire, and can fill a space 96x50x10 ft in approximately nine minutes
Narrow Fog Stream - Answer- discharged at 100GPM and is converted to steam by a
500 degree fire, and can fill a space 96x50x10 ft in approximately 6 minutes
WIde Fog - Answer- discharged at 100GPM and is converted to steam by a 500 degree
fire, and can fill a space 96x50x10 ft in approximately 1 1/2 minutes
, Types of fuel - Answer- AVGAS
Blends of gas and kerosene
Kerosene
Flash Points and Flame Spread - Answer- Kerosene 100-115degrees/Flame spread
100ft per minute or less
Blends 10 degrees/FLame spread 700-800ft per minute
AVGAS -49degrees/flame spread 700-800ft per minute
Temps on the ramp can be 25 to 45 degrees higher than the ambient air temperature
AIrcraft fuel spills should be blanketed with foam to prevent the release of flammable
vapors if they are..... - Answer- -More than 10 ft in any direction
-50square feet in area
-Continuous
Separating - Answer- Foam creates a barrier between the fuel and the fire
Cooling - Answer- Lowers the temp of the ful and heated areas
Suppressing - Answer- A foam Blanket cuts off the oxygen supply to the fire
Foam Concentrate - Answer- Raw form of foam liquid
Foam Proportioner - Answer- A device that introduces the foam concentrate into the
water
Foam Solution - Answer- The foam solution is a mixture of foam concentrate and water
Foam - Answer- Is the product that results after air is introduced to the foam solution
Alcohol-resistant foam - Answer- Must b used on polar solvents
Foam Storage - Answer- 5gal pal
55gal barrel
Apparatus tank
Foam Tender- used to transport foam to apparatus at an emergency scene.
Storing foam and life - Answer- Store in cool areas
-Protein based class B foam shelf life about 10 years
QUESTIONS WITH 100% CORRECT
ANSWERS
Four factors affecting stopping - Answer- -Driving and surface conditions
-traveling speed
-weight of the apparatus
-conditions of the braking system
Commercial transport aircraft - Answer- narrow-235 passengers, wide over 500 and
large 900
Commuter/regional aircraft - Answer- twin engine turboprops, possible to find jet
powered
business/corporate aviation aircraft - Answer- light aircraft to commercial type jets
Primary agents - Answer- Complete knockdown of fire, WATER/FOAM are the main
extinguishing agents
auxiliary agents - Answer- When used alone are not capable of controlling or
extinguishing a fire. DRY CHEMICAL/DRY POWDER
Specific Heat - Answer- measured by BTU. One BTU is the amount of heat required to
raise one pound of water one degree Fahrenheit.
Law of Latent Heat of Vaporization - Answer- The amount of heat that is required to turn
a liquid into a vapor
water science shit - Answer- It takes one BTU to raise one pound of water 1 degree, up
to 212degrees then additional 970 BTU to convert it to steam
Straight Stream - Answer- discharged at 100GPM and is converted to steam by a 500
degree fire, and can fill a space 96x50x10 ft in approximately nine minutes
Narrow Fog Stream - Answer- discharged at 100GPM and is converted to steam by a
500 degree fire, and can fill a space 96x50x10 ft in approximately 6 minutes
WIde Fog - Answer- discharged at 100GPM and is converted to steam by a 500 degree
fire, and can fill a space 96x50x10 ft in approximately 1 1/2 minutes
, Types of fuel - Answer- AVGAS
Blends of gas and kerosene
Kerosene
Flash Points and Flame Spread - Answer- Kerosene 100-115degrees/Flame spread
100ft per minute or less
Blends 10 degrees/FLame spread 700-800ft per minute
AVGAS -49degrees/flame spread 700-800ft per minute
Temps on the ramp can be 25 to 45 degrees higher than the ambient air temperature
AIrcraft fuel spills should be blanketed with foam to prevent the release of flammable
vapors if they are..... - Answer- -More than 10 ft in any direction
-50square feet in area
-Continuous
Separating - Answer- Foam creates a barrier between the fuel and the fire
Cooling - Answer- Lowers the temp of the ful and heated areas
Suppressing - Answer- A foam Blanket cuts off the oxygen supply to the fire
Foam Concentrate - Answer- Raw form of foam liquid
Foam Proportioner - Answer- A device that introduces the foam concentrate into the
water
Foam Solution - Answer- The foam solution is a mixture of foam concentrate and water
Foam - Answer- Is the product that results after air is introduced to the foam solution
Alcohol-resistant foam - Answer- Must b used on polar solvents
Foam Storage - Answer- 5gal pal
55gal barrel
Apparatus tank
Foam Tender- used to transport foam to apparatus at an emergency scene.
Storing foam and life - Answer- Store in cool areas
-Protein based class B foam shelf life about 10 years
