Ifsta Flashcards

1
Q

Batteries contain 2 items

A

Lead and sulfuric acid

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

Nfpa 1901 minimum requirements for a pumper

A

750 gpm 300 gal tank

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

What is brake fade

A

Overuse and overheat of brakes

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

Shutting Down Procedure Engine time idle

A

3 to 5 min

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

What are the angle of approach
Breakover
And angle of departure

A

AAO: tire touch ground to lowest part of front engine
Breakover: wheel to wheel to midbase of engine
AAD: rear wheel to back bumper

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

Adverse weather conditions it may take how many times greater to stop on snow and ice

A

3 to 15

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

What is overthrottling

A

More fuel injected than burned

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

Outrunning siren speed

A

50mph

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

When more than one emergency vehixle is reaponding along the same route keep a distance of

A

300 to 500

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

NFPA 1901 requires that vehicles with a GVWR of ______pounds or greater be equipped with an auxiliary braking system

A

36000

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

What is an exhaust brake

A

The least capable of the four auxiliary devices uses a valve to restrict the flow of the exhaust which creates back pressure that adds to the engines, inherit breaking ability

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

What are tyoes of auxiliary braking sustems

A

Exhaust brakes
Engine conpression
Electromagnetic retarders
Transmission retarders

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

Preposition lights to illuminate the area where the SPOTTER will stand approximately __ to __ feet behind the Apparatus

A

8 to 10

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

Inside outside method more than five stories

A

Aerial inside engine.outisde

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

Inside outside method less than five stories

A

Engine inside aerial outside

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

In tandem pumping operations, apparatus may be located up to blank feet apart

A

300

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

Relay pumping is used to increase the volume of water available but scene tandem pumping is increasing what

A

Water pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is Level 1 staging

A

Two or more units
Awaiting orders, stage by hydrant

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

Level 2 Staging

A

Multiple alarm or mutual aid response. Officer is staging area manager

20
Q

Fluid Pressure is perpendicular to any surface on which it acts

Fluid pressure at a point in fluid at rest is the same intensity in all directions

Pressure applied to a confined fluid is equal in All directions

Pressure of liquid in a vessel is proportional to it’s depth and density

Pressure of liquid at the bottom of the vessel is independent of the shape

A

Principles of a fluid

21
Q

What is flow pressure

A

Water flowing from a discharge orifice is the flow pressure

22
Q

What is critical velocity in friction loss

A

Practical limits to the velocity of flow of water. The friction will become so great it is agitated by resistance

23
Q

3 means of moving water

A

Direct pumping
Gravity
Combination

24
Q

3 distribution systems

A

Primary feeders
Secondary feeders
Distributors

25
Average daily consumption Max daily consumption Peak hourly consumption
Avergae water per day Max water used in a day within a 3 year period Max water in any 1 hour interval
26
Types of flowmeters
Paddle wheel And Spring Probe
27
Condensed Q for 3 4 5
Qsquared Qsquared over 5 Qsquared over 15
28
Types of Positive Displacement
Piston Pump rotary Gear Rotary Vane
29
Parts of the centrifugal pump
Eye Impeller Volute
30
Three main factors influence a centrifugal pump
Amount of water discharge Speed at which impeller is turning Incoming pressure
31
The piping system in the fire pump cell must be cable standing a hydrostatic test of blank
500 psi
32
According to NFPA 1901 pumpers with the capacity of blank GPM’s or less should have piping capable of flowing blank GPM
500 250
33
More than 500 gpm pump, the piping capacity in the system shall be rated for
500gpm
34
Automatic pressure control devices according to NFPA 1901 needs to operate within what to watch after the discharge pressure rises
3 to 10
35
It is generally recommended that the intake relief valves be set to open when the intake pressurizes more than blank PSI above the necessary operating pressure
10
36
What are the types of primers?
Positive displacement primers Oil less primers Vacuum primer Exhaust primer Air primer
37
What is the tachometer
Engine speed in RPMS
38
What are the two types of auxiliary cooling devices
Marine cooler Immersion cooler
39
Types of Lift with respective heights per ifsta
Maximum lift 25 Theoretical lift 33.9 Dependable lift 14.7
40
3 ways foam works
Separate Smother Cools
41
Pail Barrel Totes What are the gallons on each
5 gal 55 gal 275 gal
42
1500 gpm pumpers must be primed within _____ for priming system test
45 seconds
43
Parking brake must hold at what degrees
20 degrees
44
Aerial ladder: how high above railroad can you set the stick
25ft
45
3 types of stabilizers
Post type stabilizer Box stabilizers A frame
46
Priorities of rescue in Aerial
Most severely threatened Largest Number or Group of People Remainder of People in the Hazard Area People in Exposed Area
47
How high does the driver spot the aerial above roof line
6 feet