Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

BGFD Fire Engineer Handbook > Handbook > Flashcards

Handbook Flashcards

1
Q

Tread Depth for apparatus tires?

Front?

All others

A

Front: 4/32 inch

Others: 2/32 inch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Steering wheel play allowance

A

No more than 10o in either direction

(2 inches movement on a 20 inch steering wheel)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Air pressure should build from 50 to 90 within what time frame?

A

3 mins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Normal Operating Oil Pressure

Idling?

Operating ?

What should you do if pressure is low, dropping, fluctuating

A

Idling: 5-20 psi

Operating: 35-75 psi

Stop immediately

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How to test for hydraulic leaks if a vehicle is equipped with Hydraulic brakes

A

Pump the brake pedal three times then apply firm pressure to the pedal and hold for 5 seconds

The pedal should not move

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Four types of retarders

A

Exhaust

Engine

Hydraulic

Electric

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Good drivers should look how far ahead?

A

12 to 15 seconds

1 block to a quarter mile.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

If you must stop on or by a one way or divided highway, how should you place your warning device

Two way or undivided highway

A

10 ft, 100 ft, and 200 feet

Two way, undivided: 10 feet front or back and 100’ front and back

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Total Stopping Distance Equation

A

Perception + Reaction + Braking

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Heavy Vehicle Formula

A

1 second required for each 10 feet of vehicle length at speeds under 40 mph

Above 40 mph, add 1 second for additional speed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

If there are two turning lanes, which one should you always take?

A

The right, you can see out of your left mirror

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

How far can you see ahead with head lights

A

250 feet with low beams

350-500 feet with high beams

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How close to stop to a railroad

A

15 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Cut out level? of an air compressor governor?

Cut in level?

A

Cut out : 125 psi

Cut in 100

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Cold weather operations require all apparatus to operate with dry pumps when temps fall below what?

A

32o

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What should you do if your running an apparatus with a wet pump during cold weather operation

?

A

Engage the pump, pull tank to pump and recirculate

Close the pump drains

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

When using Chains during cold weather operations

Disengage at what speed?

Maximum efficiency speed

Engage at speeds of what?

Dont exceed what speed?

Snow depths should not exceed ?

A
  1. Disengage any speed under 25 mph
  2. Max eff is 5 mph
  3. Engage at 5 to 25
  4. Dont exceed 30mph
  5. 6-8”
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Hydroplanning typically begins at what speed?

A

35 mph

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is something to be considered before pumping?

A

Activate Regen Inhibit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

RPM for:

High Idle?

Regen?

A

1000 rpm

1400-1600 rpm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Something to be consider with front towing some of the fire apparatus?

A

Disconnect the drive shaft at the rear U joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What should you grease aerial contact points with?

A

Poly-Lube 250

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

How to get the proper hydraulic oil level?

A

Aerial must be cradled with all stabilizers in the stowed position to obtain a proper oil reading.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is it called when you make a short fold or reverse bend in the hose during loading process so that couplings are not too close to the front or rear of the hose bed and will not flip over when pulled out of the bed?

A

Dutchman

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Load large diameter hose with all couplings where?
near the front of the bed.
26
When should interior cleaning of the fire apparatus be done?
Second Saturday of each month
27
Apparatus Schedule cleaning: Washing? Cab and Compartments? Undercarriage Cleaning? Waxing?
Washing: Min. of weekly Cab and Compartments: monthly (2nd saturday) Undercarriage: April Waxing: October
28
How often should Ground ladders be visually inspected?
At least once every month and after each use
29
Tires should be put out of service when repair bulges are greater than what?
3/8 inch
30
K950 Blade size K1250 Blade Size
K950: 12,14,16" K1250: 14" and 16"
31
What is the first stage in the K12 filtration system? What % of dust is removed from this stage?
Centrifugal Force 80% of dust is removed
32
What is the second stage of K12 filtration system? What % of remaining dust volume is removed? Final Filtration Stage?
Foam filtered (Filter is immersed in oil and made up of three layers) Removes 95% of remaining dust volume Paper Filter final stage
33
What is the carburetors main job ?
Supply the right mixture of fuel and air to the engine
34
Main principle behind the SmartCarb Carburettor in K12
Air duct ensures air pressure in the fuel chamber and filter chamber remains constant
35
Engagement speed of Clutch on K12 is about rpm
3400 rpm Centrifugal type clutch
36
The K12's have a built in over-revving protector which limits engine speed to what?
9750rpm
37
The body of K12 is cast in what?
Magnesium alloy
38
Fuel tank for K12 is sufficient for how much work (mins)
25-30 mins
39
Prolong uses of vibrating handles can cause injuries to blood vessels, termed what?
“White fingers”
40
When Carrying a chainsaw, the bar should be pointed where?
Behind you
41
Acsendant Safety features
Body collison Rotation Interlock (Short jack) Maximum Elevation Slow down Nozzle Stow Aerial Function Interlock
42
Ground Bearing Support in compliance with NFPA 1901 with Stabilizer pads. Must not exceed What with each pad?
75 pounds per square inch
43
When cribbing for stabilizer the cribbing should never be what height?
taller than twice the width of blocking base
44
Do not work within power lines: 350kV High voltage lines?
20 feet 50 feet
45
How much ice can be built up before aerial device is Out of Service?
.25 inches of ice built up
46
Maximum allowable Weight per lifting Eye in Ascendant?
500lbs each eye or 1000lbs total
47
How many receptacles in Ascendant platform, provides what?
2 receptacles 20 amps of 120 VAC
48
The EPU on most aerials have a limited run time before overheating. Whats the time?
Do not run more than 30 minutes continuous without allowing 30 minutes for cooling down
49
Ascendant Stabilizer Position Status Green Yellow Red Gray
Green: Full extension set Yellow Short (jacked) extension set Red: Short extension **NOT** set Gray Full retracted
50
Apparatus Leveling Safe Operation 0-5o 5-8o
0-5o Full capacity 5-8o Half Capacity
51
When laying in hose around hydrant, how should you do it?
J pattern Never wrap more than half way around hydrant
52
When pump and roll operation, what gear must you be in ?
1st gear position
53
What should you always do before removing inlet or discharge caps?
Open drain/bleeder valve
54
How long should you flush out hydrants before connecting them?
30 seconds
55
Max Fill Rate
1000 gpm or the tanks capacity in GPM (500 gal tank = 500 GPM)
56
Maintain intake pressure at or above psi when operating from a pressurized external supply
20 psi
57
During Cold Weather Operation, All valves and drains shall remain with exception of the drain
closed; main pump drain
58
What PSI will the spring brakes come on when the air pressure drops?
20-45 psi
59
If the low def fluid symbol comes on, you must not do what?
DO NOT SHUT DOWN ENGINE
60
How much deviation is acceptable when checking lift cylinders
1/8 inch deviation
61
Most common reactive forces while using a chainsaw?
Kickback Pushback Pull-in
62
When using Cribbing to assist with stabilization, you must have cribbing that will support at least ?
100 psi of ground contact pressure.
63
Maximum Theoretical Lift of a pump? Max practical lift at sea level?
34 feet 20-25 feet
64
Each one inch drop in Barometric Pressure or each 1000 feet elevation of the pumping site reduces engine power approximately how much %
3 ½% engines not equipped with turbo charger
65
Each 12 degree rise in temp above 60 f of carburetor intake air reduces engine power approximately what % Lowering of humidity does what to the power?
1% Reduces power slightly
66
Each one inch drop in Barometric Pressure or each 1000 feet of elevation reduces the max possible static lift of a pump approximately how much?
1 foot
67
Limit speed to what when laying hose?
5 mph
68
Maximum inlet pressure for tank filling is?
100 psi
69
Using breaks down a long steep hill is supplement to what?
Engine brakes

BGFD Fire Engineer Handbook (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions