12-65. What is the recommended procedure for
cooling overheated wheel, brake, and tire as-
Direct a steady stream of water at the as-
Apply water fog to cool the brakes
Discharge short burst of CO2 at the as-
Allow assemblies to cool in the surround-
incorporated in aircraft wheel rim assemblies?
Automatically deflates the tire
Reduces the pressure on the wheel
Eliminates the possibility of explosion
All of the above
12-67. When responding to a wheel fire or hot brakes,
in what direction should personnel approach
the wheel assembly?
In a fore or aft direction of the wheel
Side to side in line with the axle
Diagonally with the landing gear
Any direction is approved to fight the fire
12-68. Which of the following materials may con-
tribute to wheel assembly fires?
Each of the above
12-69. At what temperatures may aircraft tires ignite?
200°F to 400°F
500°F to 600°F
700°F to 800°F
900°F to 1000°F
12-70. What is the danger in combating wheel
assembly fires on aircraft with beryllium
They may produce irritating or poisonous
They burn out of control
The brake temperature cannot be measured
The heat is not transferred to the wheel