Ch 5 Fire Extinguishment

Question 1

Department policy requires the fire attack team take with them their; x6

Answer 1

1. Breathing apparatus
2. Portable radios
3. forcible entry tools
4. high rise hose packs
5. pigtail
6. thermal imaging camera
   * fire extinguisher if elevators used

Question 2

building architects hide stairwell exit doors. The outside of the ground level stairwell door will often be covered with the same material as the building’s exterior, effectively camouflaging,
In addition to the key lock, some doors are held closed by a magnetic device requiring _____-pound pressure to overcome it. If the key unlocks the door, but it resists opening, give it a hard pull.

Answer 2

25 pound pressure

Question 3

Firefighters in personal protective equipment require approximately _____ (time) per floor to ascend stairs.

Answer 3

One min

Question 4

If the fire is reported to be on or below the ____ floor , the stairwell shall be used.

Answer 4

6

Question 5

No more than ___ personnel with equipment is permitted in any elevator

Answer 5

6

Question 6

stand pipe pressure in a high rise is controlled by three means;

Answer 6

Pressure regulating devices
Pressure restricting devices
Orifice plates

Question 7

Pressure regulating devices are normally set to gpm of ___

Enough for 2 lines?

Answer 7

300gpm

*2 lines will have effective flow and stream but will flow less than 200 gpm each when both flowing

Question 8

____ devices work by restricting the flow by how far the valve can be opened, there by reducing the flow and the psi(while flowing)

Answer 8

Pressure restricting devices

Question 9

As temperature of gases increase , it reaches the flashover point, which may be as low as ______ degrees Fahrenheit

Answer 9

700