Hot Brakes

Question 1

With the added weight and landing speeds of modern aircraft and because of the extreme braking required on shorter runways, overheated brakes and wheels are becoming a common occurrence. (True or False)

Answer 1

True

Question 2

The heating of aircraft wheels and tires presents a potential explosion hazard involving built-up air pressure in the tires, which will be greatly increased when fire is present. (True or False)

Answer 2

True

Question 3

Fusible plugs are designed to automatically deflate the tires when a temperature of approximately _______
is reached.

Answer 3

400 degrees fahrenheit

Question 4

Fusible plugs releasing the tire pressure will reduce the pressure on the wheel and thus eliminate the possibility
of _________.

Answer 4

Explosion

Question 5

One emergency cooling measure that may be used by the responding fire forces in the event of hot brakes is the use of ___________ __________.

Answer 5

Smoke ejector

Question 6

When responding to a wheel fire/hot brakes, emergency crews should approach the wheel with extreme caution in a ______ or _____ direction.

Answer 6

Fore, aft

Question 7

When responding to a wheel fire/hot brakes, emergency crews should never approach from the side in line with the axle. (True or False)

Answer 7

True

Question 8

Peak temperatures may not be reached until ____ to ____ minutes after the aircraft has come to a complete
stop.

Answer 8

15 to 20

Question 9

All aircraft emergency situations that require ARFF personnel to perform firefighting/safety-related functions underneath an aircraft present no hazard to the firefighter. (True or False)

Answer 9

False