TRUCK OPS Flashcards
After roll call, what are the first 2 things a firefighter should do after roll call.
Place PPE (GEAR) on the truck then do equipment checks.
Pg 51
Besides the SCBA and gear, what is considered part of your PPE?
Portable Radio
Pg 51
When checking your SCBA, what devices/pieces are checked every day?
Face piece (breath air)
PASS device
Purge valve, control module and Vibra-Alert
Straps
Cylinder to 5500
Pg 51
When checking the circular saw, start the saw and allow it to reach what?
Approximately how long?
Operating temperature. Approximately 5 minutes.
Pg 55
Auto throttle on the portable generator should be on, or off until the generator has time to warm up.
If equipped, it should be off until it has had time to warm up.
Pg 55
When checking the platform ladder, what are the priorities of THAT aerial section?
Pike pole (8’ minimum) in the fly section
Axe in the bucket
Emergency stop switch is disengaged
Nozzles and water curtain are closed
Pg 56
How long is the bar on the STIHL MSA 220 C Chainsaw?
12”
Pg 57
What is the pitch on division chainsaw chains?
3/8” pitch
57 & 58
When checking the Aerial Tiller, what tools are the priorities of THAT Aerial section?
Pike pole (8’ minimum)
Axe at the tip of the Aerial
Waterway in rescue mode
Waterway intakes are closed on both sides.
Pg 56
What battery is used in the STIHL MSA 220 C Chainsaw?
AP 300 S Battery
Pg 57
What is the max cutting depth of a 12” circular saw and a 14” circular saw?
12” - 3.9”
14” - 4.9”
Pg 59
What is the most powerful circular saw the Division has?
TS 700 series
Pg59
If door hinges are visible, what way does the door open? Toward you or away from you?
Toward you.
212
How many visual heat sensor labels are on an aluminum ladder per section?
4 labels per ladder section.
Pg 61
The presence of carriage bolts on the outside of a door indicates what?
There are likely additional locks on the inside of the door.
213
At what temperature does the heat sensor labels turn black?
300° F
Pg 61
What is the approximate run time on a full tank for a Honda Generator under full load?
1000i
2000i
5000
6500
All times are approximate.
1000i - 3 hours
2000i - 4 hours
5000 - 7.1 hours
6500 - 9.8 hours 1/2 load
Pg 65
What is the spreading distance & power of the HYDRA-RAM II?
Spreading distance = 6”.
Spreading Force = 10,000 lbs of Force.
218
What is the mechanical advantage when gapping and prying a door with a Halligans adz?
15:1
217
When using the Halligans forks, what is the mechanical advantage?
27:2 or 13.5:1
Pg 217
What is the Spreading Distance & Power of the Rabbit tool?
Spreading Distance = 4”
Spreading Power = 8,000 lbs
219
What size purchase point is need for both the Rabbit Tool & HYDRA-RAM II?
1/4 inch.
218, 219
The yellow box fan is better suited for?
Confined spaces due to high CFM output.
Pg 72
The K-Tool is a good option for what type of operations?
Through-the-lock operations.
221
Division rope bags are comprised of 1 main line and 4 tag lines. What are their colors and lengths?
Main line - 200’ yellow
Tag lines - 30’ red
Pg 73
What fuel additive is used for storage by the Division AND what mix ratio?
K-100 fuel additive.
1/2 oz per gal for short term storage
1 oz per gal for long term storage
Pg 81
What is the arbor size on the circular saws?
20 mm (most common)
25 mm
Pg 91
What is the maximum spindle speed of the Division circular saws?
5350 rpm
Pg 96
When is an oil change recommended on the Honda generators?
Every 6 months or 100 hours.
Pg 99
What are the 4 types of reactionary forces encountered when operating a chain saw?
Spring pole
Kick Back
Pull in
Push back
Pg 102
How many vertical feet are the NEW platform trucks capable of?
100’ of verticle reach
Pg 106
How many vertical feet are the OLDER platform trucks capable of?
93’ Vertical feet
Pg 106
Dax blades are used primarily on what 2 materials?
Metal up to 3/16 inch.
Flat roof materials
224
What type of bolt technology is used on the platform apparatus?
Huck Bolt Technology.
Two piece fastners that never come lose once installed.
Pg 106
Composite Blades are primarily used on what 2 materials?
Ferrous Metals
Concrete / Masonry
224
Diamond Blades are primarily used on what 2 materials?
All metals
Masonry
225
Approximately how far past the tire tracks/path will the bumper swing when making a turn on a platform apparatus?
4 1/2 feet
Pg 107
Circular Saws should be used at full RPM. This creates a gyroscopic effect. This effect is increased when the blade is in the Out-Board Position. What is the advantage of using the Out-Board Position?
The Out-Board Position allows the blade to sit flush against a floor, wall or door. This allows greater access.
226
The In-Board blade Position is most often used on what types of circular saws?
The larger and more powerful circular saws.
226
What is the main advantage of the Teepee Cut VS. the Square Cut when forcing garage doors?
Speed.
243
What are the advantages of the Square Cut VS. the Teepee Cut on garage doors?
Larger opening.
Better ventilation.
244
Breaching a block wall should include at least how many FF’s?
2
248
On a Ladder Company the outside FF is responsible for entry & exit points. What 2 groups of people does this benefit?
The Firefighters
Potential Victims
251
What is the most common obstacle encountered at vacant structures in Columbus?
Plywood covers on windows & doors.
255
What is the most efficient tool for removing plywood covers?
Chain Saw.
255
What priorities (and in what order) should search & rescue be preformed?
- The most severely threatened.
- The largest number of victims.
- The remainder of the fire area.
- Exposures.
260
During VEIS the tip of the Ladder should be in what position?
The “Rescue Position”. The tip of the Ladder just below the window sill.
265
The new yellow rope bags contain what length of rope?
200 feet.
279
The new rope bags have knots in the rope for distance markers. How far apart are these knots?
50 feet.
279
Should search ropes be tied off inside or outside of a structure when at a commercial building.
Outside is preferred.
280
What must the rope bag FF do at all times?
Keep the rope taut.
285
Tying off a search rope (not outside anchoring) is beneficial in what 2 situations?
When going around corners or changing direction.
286
When should tag line rope bags be handed out to each FF?
Prior to building entry.
288
During natural ventilation, at least 2 openings are needed. What sides of the building are these openings located? What opening should be larger?
1 opening on the windward side, 1 on the leeward side.
The windward side should be larger.
299
What are the 3 types of Mechanical Ventilation?
Positive Pressure
Negative Pressure
Hydraulic Ventilation
300
Who should order ventilation to begin?
The Interior Officers or the I/C.
301
How far from a door should a fan be placed to create a cone pattern around the whole door?
4 to 6 feet.
301
Negative Pressure Ventilation is most useful on what types of fires?
Basement Fires.
305
Fog streams for Hydraulic Ventilation should cover what percentage of the window opening?
80-90%
306
Is it ever advisable to cut through a solar panel for ventilation?
No.
315
Where is the safest place to cross from one roof to another when working at strip malls?
The front of the building.
318
When ventilating a residential flat roof it is best to make the hole how far from the roof edge?
6 feet.
320
What side of the hole should the FF be on when making a roof cut?
Windward.
322
What is the main drawback to using Ladder Truck as a flying standpipe?
The Ladder can no longer be used for victim rescue.
345
What must the Engine Operator secure prior to supplying a Ladder for Aerial Water Operations?
A solid water supply.
349
True or False.
Once a platform Ladder is placed in pump gear it will lose the high idle function, this could slow positioning of the bucket.
True.
355
When should salvage operations begin?
Once Life Safety and Incident Stabilization priorities are met.
362
Define Overhaul.
Overhaul is the search for hidden fire which may have the possibility of rekindling.
368
Pressurized Smoke found during overhaul indicates what?
There is hidden fire somewhere in the structure.
371
At what PSI is natural gas considered “high pressure”?
Over 60 PSI
379
A military style dog tag, zip tied to a gas meter, indicates what?
The presence of an Excess Flow Valve.
381
A properly adjusted and operating heating system will have what color flame?
One with a cracked heat exchanger has what color flame?
Properly adjusted = Blue.
Cracked heat exchanger = Orange.
386
The largest component of Natural Gas is what?
Methane.
388
What is the LEL & UEL of Natural Gas?
LEL = 5%
UEL = 15%
388
On a P400 meter, 100% of LEL (or 5% gas) will read as how many PPM?
50,000 PPM
389
What is the normal gas escape pathway when a line is ruptured by a directional boring machine?
Underground along existing utility lines such as water, sewage and electric lines of conduit.
391
What are the 3 categories of elevator types?
- Electric Cable or Traction Elevators
- Hydraulic Elevators
- Machine Room Less (MRL) or Direct Drive Elevators
393
Electric Cable or Traction Driven Elevators are most commonly found in buildings more than how many floors?
6
393
Hydraulic Elevators are generally limited to 6 floors but they can go up to how many stories?
10 stories
395
MRL Elevators control panel can be located on any floor, but the control panel has what in common with the elevator shaft?
Shares a common wall.
397
Of all the elevator rescue options, what has the most risk and should be the last resort?
Option 5, Technical rescue through the top of the car.
When attempting to reset an Elevator. How long should the power remain off? How long to wait before pushing any buttons (time to let the computer reboot).
Power off for 30 seconds.
Wait 2 minutes for pushing any buttons.
402
How many attempts can be made to reset an elevator?
2.
402
What size water key is used to shut off a flowing hydrant?
Large water key.
409
An NFPA study estimates what amount of financial damage every minute a sprinkler is left open?
$1,000 per minute.
416
What is the last resort for shutting off power at a 1 or 2 family residence?
Cutting the drip loops
420
Who are the 3 main electric service providers in the Columbus area?
1 AEP
2. Columbus Municipal Power
3. South Central Power
423
Fiberglass Hot Sticks are tested by Tools & Equipment how often?
Every 2 years.
426
Rubber Dielectric & Leather Outer Protective Gloves are tested by Tools & Equipment how often?
Every 6 months.
426
When cutting the drip loops, what wire must NOT be cut?
The Neutral / bare support wire.
428
Why should FF’s not open Ground Transformers?
There is no way to disconnect the power inside without special tools.
429
Smart Meters are identified by what color label?
Blue
430
When a Smart Meter is turned off remotely, will the wires between the power pole and the meter still be live?
Yes.
430
If a Smart Meter reads “Open” will there be power from the Meter to the house?
No.
431
In a commercial structure with multi phase electrical power, what is the only way to shut off power?
The power company must be called to shut off power in the Transformer Cabinet.
432
What is the Aerial reach of the Sutphen SP-95 Platform?
93’ reach.
Pg 108
What is the “tip load” of the Sutphen SP-95 Platform when dry vs wet?
1000 lb DRY
500 lb WET
PG 108
What is the total length of one extended outrigger on the SP-95?
5’ 3”
PG 108
Which platform has a significantly larger “bucket swing area”? SP-95 or SPH?
SP-95 (older models)
PG 108
Which CFD model platform has push button outrigger controls?
SPH PLATFORM
PG 110
What is the TOTAL outrigger jack spread on the SP-95 AND the SPH?
SP-95 - 18’
SPH - 22
PG 110
How is the bucket access from an SP-95 VS SPH different?
SP-95 - folding ladder on the rear of the bucket.
SPH - steps on the drivers side near the bucket.
PG 109-110