ARFF OPERATIONS QUESTIONS WITH VERIFIED
ANSWERS
Identify TWO laws that apply to water and its ability to absorb heat and turn a liquid into a va
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
por - ans--Law of specific heat
xz xz xz xz xz
-Law of Latent Heat of Vaporization
xz xz xz xz xz
When using a 3% solution of foam concentrate, you must mix three gallons of foam concent
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
rate with - ans-97 gallons of water
xz xz xz xz xz xz
Sparks from friction or electrical components can increase the ___ of a fuel spill - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
probability of ignition xz xz
Identify THREE ways that foam works to extinguish a fuel-related fire - ans--
xz xz xz xz xz xz xz xz xz xz xz xz
separating the fuel from the fire xz xz xz xz xz
-cooling the fuel and heated areas xz xz xz xz xz
-smothering the fire xz xz
All of the following are primary uses of water in ARFF operations except - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
extinguishing fuel spills and fuel fires xz xz xz xz xz
Identify THREE low-energy, foam proportioning systems - ans--batch mixing
xz xz xz xz xz xz xz xz
-installed in-line eductor xz xz
-balanced pressure xz
All of the following statements about using pressurized water sources are TRUE EXCEPT -
xz xz xz xz xz xz xz xz xz xz xz xz xz
ans-
xz
the water pressure supplied from a hydrant is normally sufficient for fire fighting operations
xz xz xz xz xz xz xz xz xz xz xz xz xz
To create a 3% foam solution using 200 gallons of foam concentrate - ans-4 on-
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
board water tanks xz xz
Identify THREE static sources of water - ans--lake
xz xz xz xz xz xz xz
-swimming pool xz
-ocean
Jet engine exhaust or blast is superheated and may approach velocities well over - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
800 miles xz
On the turret control panel, the oscillation control - ans-
xz xz xz xz xz xz xz xz xz
controls the horizontal movement of the turret xz xz xz xz xz xz
ANSWERS
Identify TWO laws that apply to water and its ability to absorb heat and turn a liquid into a va
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
por - ans--Law of specific heat
xz xz xz xz xz
-Law of Latent Heat of Vaporization
xz xz xz xz xz
When using a 3% solution of foam concentrate, you must mix three gallons of foam concent
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
rate with - ans-97 gallons of water
xz xz xz xz xz xz
Sparks from friction or electrical components can increase the ___ of a fuel spill - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
probability of ignition xz xz
Identify THREE ways that foam works to extinguish a fuel-related fire - ans--
xz xz xz xz xz xz xz xz xz xz xz xz
separating the fuel from the fire xz xz xz xz xz
-cooling the fuel and heated areas xz xz xz xz xz
-smothering the fire xz xz
All of the following are primary uses of water in ARFF operations except - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
extinguishing fuel spills and fuel fires xz xz xz xz xz
Identify THREE low-energy, foam proportioning systems - ans--batch mixing
xz xz xz xz xz xz xz xz
-installed in-line eductor xz xz
-balanced pressure xz
All of the following statements about using pressurized water sources are TRUE EXCEPT -
xz xz xz xz xz xz xz xz xz xz xz xz xz
ans-
xz
the water pressure supplied from a hydrant is normally sufficient for fire fighting operations
xz xz xz xz xz xz xz xz xz xz xz xz xz
To create a 3% foam solution using 200 gallons of foam concentrate - ans-4 on-
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
board water tanks xz xz
Identify THREE static sources of water - ans--lake
xz xz xz xz xz xz xz
-swimming pool xz
-ocean
Jet engine exhaust or blast is superheated and may approach velocities well over - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
800 miles xz
On the turret control panel, the oscillation control - ans-
xz xz xz xz xz xz xz xz xz
controls the horizontal movement of the turret xz xz xz xz xz xz
