IFSTA ARFF 6th: Ch. 9

Question 1

Foam handlines should be used for:

Answer 1

a direct interior attack

Question 2

Non-aspirating devices have an expansion ratio range of :

Answer 2

2:1 to 3:1

Question 3

Dry chemical turrets are required to have a no wind range of:

Answer 3

100 feet

Question 4

When fighting fuel spills, firefighters should use a minimum ____ inch handline and apply water in a ____ pattern

Answer 4

1.5 / Fog

Question 5

ARFF personnel have been most effective when using _____ streams.

Answer 5

Fog and Spray

Question 6

The “Short Burst” application technique involves applying foam for ___ to ___ seconds.

Answer 6

5 / 10

Question 7

Which type of gas is used in dry chemical cartridge extinguisher when freezing temperatures are likely?

Answer 7

Dry Nitrogen

Question 8

Base of the Fire method is usually applied though:

Answer 8

A High Flow Bumper Turret or Low Attack Nozzle

Question 9

Describe the Maintain escape/evacuation areas method?

Answer 9

Only those fire in evacuation routes are extinguished.

Question 10

What is the burn-through time for aluminum skin when directly exposed to fire?

Answer 10

1 minutes

Question 11

Dry chemical extinguishers come in which two basic types?

Answer 11

Stored Pressure

Cartridge-Operated

Question 12

What are the two most common handlines for ARFF?

Answer 12

Fog nozzle and air-aspirating foam nozzles

Question 13

What are three ways dry chemical is dispensed?

Answer 13

Handline, piggybacking and water stream injection

Question 14

What expansion ratio range is commonly associated with low-expansion air-aspirating equipment?

Answer 14

6:1 to 10:1

Question 15

Rain down method directs the stream in the air at a ___ degree angle above the fire or spill.

Answer 15

40

Question 16

After 3-dimensional fuel fires are extinguished, what should ARFF personnel do next?

Answer 16

Close fuel system valves or plug fuel lines or tanks to stop the leak

Question 17

Stored pressure extinguishers contain a constant pressure of about:

Answer 17

200psi

Question 18

What kind of wind can help extend the effective range of a turret stream?

Answer 18

Tailwind

Question 19

What is the agent of choice for fighting engine or APU/EPU fires?

Answer 19

Clean, gaseous extinguishing agents

Question 20

APU/EPU shutdown procedures can be accomplished from flight deck/cockpit or :

Answer 20

External Fire Protection Panel

Question 21

Arming extinguishing agent bottles, will also simultaneously deactivate:

Answer 21

Power plant’s fuel
Hydraulic System
Electrical System
Pneumatic Connections

Question 22

Company officers or other apparatus can place themselves at a ____ angle to view the effectiveness of the turrets reach

Answer 22

45

Question 23

A straight stream is the best nozzle pattern to use in what condition?

Answer 23

well-involved, unventilated aircraft interior

Question 24

Dry chemical extinguishers use either ____ or ____ as the pressurizing gas

Answer 24

Nitrogen or CO2

Question 25

IFSTA defines a handline nozzle as:

Answer 25

any nozzle that one to three firefighters can safely handle flowing less than 350 gpms

Question 26

What does directing turret streams along fuselage length help?

Answer 26

Pushing fire away from the fuselage
Cool the fuselage
Protect evacuation occupants
Aid rescue team entry

Question 27

What can fire in baggage/cargo areas potentially do?

Answer 27

Weaken the floor supports for overhead compartment and lead to collapse

Question 28

What can splashing fuel during foam application lead to?

Answer 28

Fuel reaching an ignitable fuel-air mixture

Question 29

Describe the total extinguishment method?

Answer 29

All efforts are directed toward extinguishing all fires surrounding the aircraft

Question 30

Where are external APU/EPU fire protection panels located?

Answer 30

panels in forward wheel well
Inside the main wheel well
On the belly
In the tail

Question 31

Which two attack methods does the IC have to choose between upon arrival of an aircraft accident with fire involvement?

Answer 31

Total Extinguishment

Maintain escape/evacuation areas

Question 32

What kind of foams are suitable for use with non-aspirating application?

Answer 32

Film-forming foams

Question 33

Application of protein or fluoroprotein foams requires which type of nozzle.

Answer 33

Air-aspirating

Question 34

Where should the first fire streams be directed to?

Answer 34

areas where evacuation is underway

Question 35

What are four basic methods of applying foam?

Answer 35

Roll-on
Deflection/Bank-Down
Base of the fire
Rain-down

Question 36

Dry chemical handline are required to have at least ____ feet of hose and a range of ____ feet

Answer 36

100 / 25

Question 37

Fires in baggage and cargo areas can weaken ______ that could lead to _______

Answer 37

floor supports / collapse

Question 38

The preferred method of extinguishing APU/EPU fires is from:

Answer 38

Flight deck/cockpit

External fire protection panel

Question 39

Which (3) areas are external APU/EPU fire protection panels located?

Answer 39

Wheel Wells
On the Belly
In the Tail

Question 40

Arming aircraft extinguishing agent bottles, simultaneously deactivate which (4) systems?

Answer 40

Fuel
Hydraulic
Electrical
Pneumatic

Question 41

APU/EPU cowlings should be opened from the _______ point to the _______ point.

Answer 41

Lowest / Highest

Question 42

The safest approach to mitigating wheel assembly fires is:

Answer 42

apply large amounts of water from a distance

Question 43

Auxiliary rocket engines may be mounted to:

Answer 43

Nacelles
Tail-cones
Aircraft Belly

Question 44

ARFF personnel should avoid opening roof areas near the slope of nose and tail because:

Answer 44

these areas are highly reinforced and may not access main cabin

Question 45

During overhaul, personnel may need to remove these (4) areas to access deep seated, concealed fires?

Answer 45

Carpeting
Wall Panels
Partitions
Ceiling Coverings