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Engineer Test > IFSTA Book > Flashcards

IFSTA Book Flashcards

1
Q

5 things that make a quint a quint

A

Fire pump, water tank, hose, aerial device, ground ladders

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2
Q

Steering wheel play should be no more than _____

A

10 degrees in either direction

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3
Q

DPF

A

Diesel Particulate Filter

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4
Q

What does DPF do?

A

Traps much of the particulate matter in exhaust emissions

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5
Q

DEF

A

Diesel Exhaust Fluid

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6
Q

What does DEF do?

A

It is injected into the gas in order to reduce the Nitrogen Oxide emissions from diesel engines

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7
Q

HEST

A

High Exhaust System Temperature

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8
Q

Inside/Outside method of apparatus placement

A

Aerial positioned outside pumper if building is less than 5 stories tall. Aerial positioned inside the pumper if building is more than 5 stories tall.

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9
Q

Water expands _______ when converted to steam.

A

1700 times.

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10
Q

PIV

A

Post Indicator Valve

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11
Q

What does a PIV do?

A

Controls underground water mains found on the supply main of installed fire protection systems.

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12
Q

OS and Y Valve

A

Outside Screw & Yoke Valve

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13
Q

What does an OS and Y valve do?

A

Control valve for a sprinkler system

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14
Q

Equation for flow from a solid stream nozzle

A

GPM = 29.7 x D squared x square root of NP

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15
Q

Equation for nozzle reaction for solid stream nozzle

A

NR = 1.57 x D squared x NP

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16
Q

Equation for nozzle reaction for fog stream nozzle

A

NR = 0.0505 x Q x square root of NP

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17
Q

Field equation for nozzle reaction from a solid stream nozzle

A

NR = Q/3

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18
Q

Field equation for nozzle reaction from a fog stream nozzle

A

NR = Q/2

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19
Q

Friction loss in an appliance where flow is less than ______ is generally considered to be insignificant

A

350 gpm

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20
Q

Condensed Q formula for 3” hose

A

Q squared

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21
Q

Condensed Q formula for 4” hose

A

Q squared / 5

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22
Q

Condensed Q formula for 5” hose

A

Q squared / 15

23
Q

In a centrifugal pump, where is velocity energy converted into pressure?

A

Volute

24
Q

Tank fill line requirements

A

Must be 1” or larger in diameter for tanks less than 1000 gallons

25
Q

What does the tachometer display?

A

Engine speed in revolutions per minute

26
Q

What does the voltmeter display?

A

Battery condition

27
Q

What does the ammeter display?

A

Status of the vehicle’s alternator and charging system

28
Q

If 0-10 percent descrease of pumper intake pressure, how much additional water is available?

A

3 times

29
Q

If 11-15 percent descrease of pumper intake pressure, how much additional water is available?

A

2 times

30
Q

If 16-25 percent descrease of pumper intake pressure, how much additional water is available?

A

Same amount as being delivered

31
Q

If 25 percent descrease of pumper intake pressure, how much additional water is available?

A

More water might be available, but not as much as is being delivered

32
Q

All fire pumps meeting NFPA and UL requirements are rated to pump their capacity at ______

A

10 feet

33
Q

A pumper in good working order can lift water a maximum of ______

A

25 feet

34
Q

If no information is available, the general guideline is to discharge ______ into the FDC

A

150 psi

35
Q

Equation for number of pumpers needed in a relay pumping operation

A

Pumpers = Relay distance / max distance between pumpers + 1

36
Q

Equation for water shuttle flow rate

A

Flow = 0.9 x Tank Size / Trip Time

37
Q

What is the hydrostatic test pressure of the pump body, intake, and discharge piping system?

A

500 psi for 10 minutes

38
Q

NFPA Standard for Automotive Fire Apparatus

A

NFPA 1901

39
Q

NFPA Standard for Fire Apparatus Driver/Operator Professional Qualification

A

NFPA 1002

40
Q

NFPA Standard for Emergency Vehicle Technician Professional Qualifications

A

NFPA 1071

41
Q

NFPA Standard for the Inspection, Maintenance, Testing, and Retirement of In-Service Automotive Fire Apparatus

A

NFPA 1911

42
Q

NFPA Standard for Fire Service Vehicle Operations Training Program

A

NFPA 1451

43
Q

Maximum distance between pumpers to be considered tandem pumping

A

300 feet

44
Q

What is the “squaring the lines” method used for?

A

To determine hydrant water available

45
Q

What is the “GPM flowing” method used for?

A

Friction loss calculations

46
Q

Preferred engine speed for priming.

A

1000-1200 rpm

47
Q

Positive displacement primers

A

Used by most modern pumpers. Small versions of the rotary vane and rotary gear type are commonly used.

48
Q

Exhaust primers

A

Found on older apparatus, uses vehicle exhaust gases, requires lots of maintenance

49
Q

Vacuum primers

A

Used by gasoline-driven engines, so these are rare

50
Q

Air primers

A

Gaining popularity, uses the air compressor to create a venturi effect that primes the pump

51
Q

Per NFPA 1901 tenders must fill at a rate of

A

1000 gpm

52
Q

Minimum rating for a tender pump

A

750 gpm

53
Q

Conservative aspect of 10-15-25 rule

A

0-10: 3x amount, 11-15: 2x amount, 16-25: 1x amount

Engineer Test (12 decks)

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