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Tech test > Ifsta > Flashcards

Ifsta Flashcards

1
Q

Batteries contain 2 items

A

Lead and sulfuric acid

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2
Q

Nfpa 1901 minimum requirements for a pumper

A

750 gpm 300 gal tank

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3
Q

What is brake fade

A

Overuse and overheat of brakes

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4
Q

Shutting Down Procedure Engine time idle

A

3 to 5 min

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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

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6
Q

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

A

3 to 15

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7
Q

What is overthrottling

A

More fuel injected than burned

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8
Q

Outrunning siren speed

A

50mph

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9
Q

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

A

300 to 500

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10
Q

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

A

36000

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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

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12
Q

What are tyoes of auxiliary braking sustems

A

Exhaust brakes
Engine conpression
Electromagnetic retarders
Transmission retarders

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13
Q

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

A

8 to 10

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14
Q

Inside outside method more than five stories

A

Aerial inside engine.outisde

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15
Q

Inside outside method less than five stories

A

Engine inside aerial outside

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16
Q

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

A

300

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17
Q

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

A

Water pressure

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18
Q

What is Level 1 staging

A

Two or more units
Awaiting orders, stage by hydrant

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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
Q

Average daily consumption
Max daily consumption
Peak hourly consumption

A

Avergae water per day
Max water used in a day within a 3 year period
Max water in any 1 hour interval

26
Q

Types of flowmeters

A

Paddle wheel
And Spring Probe

27
Q

Condensed Q for 3 4 5

A

Qsquared

Qsquared over 5

Qsquared over 15

28
Q

Types of Positive Displacement

A

Piston Pump
rotary Gear
Rotary Vane

29
Q

Parts of the centrifugal pump

A

Eye
Impeller
Volute

30
Q

Three main factors influence a centrifugal pump

A

Amount of water discharge
Speed at which impeller is turning
Incoming pressure

31
Q

The piping system in the fire pump cell must be cable standing a hydrostatic test of blank

A

500 psi

32
Q

According to NFPA 1901 pumpers with the capacity of blank GPM’s or less should have piping capable of flowing blank GPM

A

500
250

33
Q

More than 500 gpm pump, the piping capacity in the system shall be rated for

A

500gpm

34
Q

Automatic pressure control devices according to NFPA 1901 needs to operate within what to watch after the discharge pressure rises

A

3 to 10

35
Q

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

A

10

36
Q

What are the types of primers?

A

Positive displacement primers
Oil less primers
Vacuum primer
Exhaust primer
Air primer

37
Q

What is the tachometer

A

Engine speed in RPMS

38
Q

What are the two types of auxiliary cooling devices

A

Marine cooler
Immersion cooler

39
Q

Types of Lift with respective heights per ifsta

A

Maximum lift 25
Theoretical lift 33.9
Dependable lift 14.7

40
Q

3 ways foam works

A

Separate
Smother
Cools

41
Q

Pail
Barrel
Totes

What are the gallons on each

A

5 gal
55 gal
275 gal

42
Q

1500 gpm pumpers must be primed within _____ for priming system test

A

45 seconds

43
Q

Parking brake must hold at what degrees

A

20 degrees

44
Q

Aerial ladder: how high above railroad can you set the stick

A

25ft

45
Q

3 types of stabilizers

A

Post type stabilizer
Box stabilizers
A frame

46
Q

Priorities of rescue in Aerial

A

Most severely threatened
Largest Number or Group of People
Remainder of People in the Hazard Area
People in Exposed Area

47
Q

How high does the driver spot the aerial above roof line

A

6 feet

Tech test (20 decks)

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