ARFF Chapter 3

Question 1

What regulation requires an emergency escape slide on aircraft with doorsill heights ≥ 6 ft?

Answer 1

FAR Part 121.310

Question 2

What is the fuel capacity of New Large Aircraft like the A-380?

Answer 2

Up to 85,000 gallons (340,000 L)

Question 3

What type of doors may be found on newer narrow-body aircraft?

Answer 3

Vault-type doors that swing out and forward

Question 4

How fast must an emergency slide deploy and inflate to meet FAA standards?

Answer 4

Within 6 seconds

Question 5

What is the standard evacuation requirement time for aircraft design?

Answer 5

90 seconds or less

Question 6

Where is the APU typically located on large aircraft?

Answer 6

In the tail section

Question 7

What materials are most commonly used in fuselage construction?

Answer 7

Aluminum and composite materials

Question 8

Which gas turbine engine type is most commonly found on jetliners?

Answer 8

Turbofan

Question 9

What are the color designations for wingtip navigation lights?

Answer 9

Red on the left wingtip, green on the right wingtip

Question 10

What is the main risk when dealing with pressurized aircraft doors?

Answer 10

Vault-type doors may open under pressure and pose a deadly risk

Question 11

How many gallons of jet fuel can a wide-body aircraft carry?

Answer 11

Over 64,000 gallons (256,000 L)

Question 12

Which aircraft classification includes the B-737 and A-320?

Answer 12

Narrow-body commercial transport

Question 13

What does RAT stand for and when does it deploy?

Answer 13

Ram-Air-Turbine; deploys when the electrical system is deenergized

Question 14

What is the function of static wicks?

Answer 14

To discharge static electricity from the aircraft to the atmosphere

Question 15

Where are the escape slides usually located on wide-body aircraft?

Answer 15

Over-the-wing escape doors and normal ingress/egress doors

Question 16

What fuel type is used in reciprocating engines?

Answer 16

AVGAS

Question 17

What aircraft component is used to control rolling (banking) motion?

Answer 17

Ailerons

Question 18

What must be known about airbags used in aircraft restraint systems?

Answer 18

They inflate with compressed helium and deflate in less than 10 seconds

Question 19

What systems do hydraulic fluids operate?

Answer 19

Control surfaces, landing gear, brakes, steering, and wing flaps

Question 20

What is a major risk of LOX spills on asphalt?

Answer 20

Explosively unstable—may detonate from impact or walking

Question 21

What is the hazard of magnetos in reciprocating engines?

Answer 21

May cause engine restart even if battery is disconnected

Question 22

What type of emergency exit is located at the rear fuselage and jettisons during emergencies?

Answer 22

Tail-cone jettison exit

Question 23

How are emergency cut-in areas identified on military aircraft?

Answer 23

Contrasting-color outlines and stenciled with ‘CUT HERE FOR EMERGENCY RESCUE’

Question 24

What gas is typically used to fill aircraft tires?

Answer 24

Nitrogen

Question 25

What kind of extinguisher is typically found protecting lavatory trash bins?

Answer 25

Heat-activated extinguisher bottle

Question 26

What class of cargo compartment requires a built-in extinguishing system?

Answer 26

Class C

Question 27

What document provides detailed military aircraft fire response info?

Answer 27

Technical Order (T.O.) 00-105E-9

Question 28

What are the three general types of aircraft batteries?

Answer 28

Lead Acid, Nickel Cadmium, Lithium Ion

Question 29

Where are cockpit voice and flight data recorders typically located?

Answer 29

In a cargo compartment wall or tail section

Question 30

What is the most common jet engine hazard firefighters must be aware of?

Answer 30

High-velocity exhaust and risk of fuel pooling

Question 31

What component is used to supply emergency oxygen for flight deck crews?

Answer 31

Supplemental Oxygen Cylinders

Question 32

What type of aircraft door must be opened with caution due to explosive slide deployment?

Answer 32

Emergency escape slides on commercial aircraft

Question 33

What type of extinguishing agent may be used in APU compartment fires?

Answer 33

Discharged through cooling compartment intake

Question 34

What is the function of vortex generators on aircraft wings?

Answer 34

Maintain steady airflow over wing’s trailing edge control surfaces

Question 35

What component provides lift and propulsion in rotary-wing aircraft?

Answer 35

Main Rotor(s)

Question 36

What do spoilers do on aircraft wings?

Answer 36

Increase drag and reduce lift

Question 37

Which aircraft component controls pitch?

Answer 37

Elevator

Question 38

Which aircraft component controls yaw?

Answer 38

Rudder

Question 39

What kind of propulsion system is found in gyroplanes?

Answer 39

Engine-driven propeller with unpowered rotor

Question 40

What materials are rotorcraft fuselages typically made from?

Answer 40

Aluminum, titanium, magnesium, and composites

Question 41

What is the function of the pitot tube?

Answer 41

Measures airspeed by airflow into the tubes

Question 42

What is the purpose of a nacelle?

Answer 42

Houses an externally mounted engine

Question 43

How are manually operated cargo doors opened?

Answer 43

Using a ratchet drive inserted into the correct socket hole

Question 44

What is a potential hazard with static eliminators?

Answer 44

Shocks if aircraft is not grounded

Question 45

What is the pressure rating of aircraft hydraulic systems?

Answer 45

3,000 psi (21,000 kPa)

Question 46

What do accumulator components in hydraulic systems do?

Answer 46

Store pressure even after engines are shut down

Question 47

What color is typically used for oxygen cylinders?

Answer 47

Green

Question 48

What should you use to control a LOX spill?

Answer 48

Water fog to form an ice plug

Question 49

What is the expansion ratio of LOX?

Answer 49

860:1

Question 50

What material burns intensely once ignited and is hard to extinguish?

Answer 50

Magnesium

Question 51

Where is radar typically located on aircraft?

Answer 51

In the nose

Question 52

What should ARFF personnel avoid when radar is active?

Answer 52

Approaching the aircraft nose area

Question 53

What kind of lighting is located on the left wingtip?

Answer 53

Red navigation light

Question 54

What does the APU provide besides power?

Answer 54

Pneumatic air

Question 55

What is the boiling point of liquid oxygen (LOX)?

Answer 55

-297°F (-180°C)

Question 56

What indicates cabin pressurization on an Airbus door window?

Answer 56

White or red light

Question 57

What part of the aircraft often contains the APU?

Answer 57

Tail section

Question 58

Where should ground ladders be placed for wide-body aircraft?

Answer 58

Where door controls are located

Question 59

What is the FAA required slide deployment rate?

Answer 59

70 persons per minute per lane

Question 60

What does the auxiliary power unit (APU) run on?

Answer 60

Jet fuel

Question 61

What aircraft component houses cockpit circuit breakers?

Answer 61

Cockpit