engine ops Flashcards
- 6.2
1. Fire growth is dependent on what 4 factors?
- combustible content ( fuel load)
- Oxygen supply ( ventilation openings)
- Size of room
- Insulation of room
- 3
1. What are the 3 stages for fire suppression?
- The first stage is location
The second stage is confining and controlling the fire
The third stage is extinguishment
- 6.2.
1. In what stage will rollover occur?
During the growth stage
- 6.2
1. During what stage will u see the potential for flashover?
As the fire progresses through the growth stage and into the fully developed stage (free burning) the potential for flashover exists
- 6.3
1. Are structural fires air regulated of fuel regulated?
Because of limited ventilation, most fires are air regulated , not fuel regulated
Outside fires are fuel regulated
- 8
1. What are the most important tools engine company firefighters use on the foreground?
Serviceable hydrants
Engine apparatus
Hose and fittings
Nozzles
- 8.4
1. Fog nozzles should be maintained in what position when stored on the rig?
Fog nozzles should be maintained in the straight stream position. (Tip rotated to the right )
Figure 3.1
Engine apparatus should usually enter block before the truck. What is the exception?
If a fire building is located at the END of a NARROW DEAD END road, the truck should go in first .
Another exception can be found in auc 200. 5.3.11 winter ops ie if building is HiGHER than 3 stories then truck goes in first if snowing
3.7.2
1 Can more then two hand lines be operated from a pumper?
Whenever possible, the following guidelines should be followed:
- only 2 hand lines should be operated from a pumper
- the supply pumper in a relay op should not supply any handlines or large caliber streams
- the pumper supplying a LCS should not supply handlines.
IF EMERGENCY requires exceeding these guides, the supply OR operating pumper shall be augmented ASAP to ensure a positive water source and the IC shall be notified
- 7.1
1. Which engine companies should hook up to hydrants ?
All arriving engine and squad companies ( assigned as an engine) shall locate and connect to a positive water source ( hydrant , drafting , etc)
5.1.19
1. What do the following touch signals indicate?
A. One or two slaps on the back or shoulder?
B. tug or pull on the arm or nozzle ?
C. Steady push on back or mask cylinder?
D. Pull back on shoulder, bunker coat or mask,?
E. 4 slaps on shoulder ?
A. Opening or closing the nozzle
B. direction of stream
C. Advancement of Hoseline
D. Halt or stop advance
E. if emergency and need to withdraw, the officer or other member aware of the situation should indicate this fact by using 4 strong slaps on the shoulder of the other members and then pull them in the direction of the retreat
- 1.26
1. What decisions may the engine officer delegate to the nozzle team ?
- direction of stream ( not initial)
- rate of advancement
- opening nozzle in an emergency
- partial shut down of nozzle to reduce nozzle reaction and regain control
- calling for more line
- sweeping floors with stream
- 3.15 E
1. The stream should not be operated directly above the nozzle teams head except in an emergency. Give 2 examples
- when the room lights up overhead
- fire rolls overhead or from behind
5.6.9
A single kink in an 1 3/4 line can result in a loss of ____ gpm?
What about 3 kinks in a line?
A single 90 degree kink in an 1 3/4 line can result in a loss of 20 gpm or more
A line with 3 kinks could lose 90 gpm or more
7.8.6
Apparatus should not be driven over hose lines unless absolutely necessary. When necessary, what precautions should be taken?
CHARGE the line if possible. Hose is more susceptible to damage when it is uncharged than when it is charged BC the wheels tend separate the jacket from the rubber lining of dry hose .
