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IFSTA Pumping Apparatus Driver/Operator > State Exam Study Guide > Flashcards

State Exam Study Guide Flashcards

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1
Q

What is the GPM for a floating pump?

A

500GPM.

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2
Q

A Vernier is ___________ .

A

A graduating scale on a measuring instrument.

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3
Q

A spring pilot valve is a ________ .

A

Relief valve.

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4
Q

The angle from the bottom of the tires to the underside of the truck midway between the axels is called ____________ .

A

Ramp breakover angle.

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5
Q

“Lift” is ___________ .

A

The difference in elevation between the surface of the static water supply and the center of the pump intake.

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6
Q

For every 1000 feet of altitude, the atmospheric pressure decreases by approximately _______ .

A

0.5 psi

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7
Q

Theoretical Lift

A

Scientific height that a column of water my be lifted in a true vacuum. At sea level the height is 33.9 feet. *This is NOT attainable by a fire department pumper.

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8
Q

Maximum Lift

A

The greatest height a fire department pumper could actually lift water (depending on condition of pump, hoses, etc) - approximately 25 feet.

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9
Q

What is the gauge for measuring electric current flow being drawn from and provided to the vehicles battery?

A

Ammeter

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10
Q

What is the gauge for measuring existing voltage in an electrical system?

A

Voltmeter

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11
Q

All gauges used for service testing must be calibrated within how many days of testing?

A

60

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12
Q

Portable tank operations - once the first tender delivers its water _________________________ .

A

The dump site pumper begins to draft.

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13
Q

The end of a charged hoseline that is flowing water without a nozzle or valve to control the flow of water is called ___________ .

A

Open Butt

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14
Q

Intermediate partial bulkhead that reduces the surge effect in a partially loaded liquid tank is called ___________ .

A

Baffle

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15
Q

What type of foam is used in a CAF system?

A

Class A

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16
Q

Height a column of water may be lifted in sufficient quantity to provide a reliable fire flow is ___________ .

A

Dependable Lift - usually considered to be 14.7 feet

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17
Q

As lift is increased by 5 feet, pump may only be able to deliver about ________ % of its capacity.

A

70

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18
Q

As lift is increased by 10 feet, pump may only be able to deliver about _____ % of its capacity.

A

60

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19
Q

All fire department pumping apparatus are rated when drafting with a minimum lift of _______ feet from the center of a pump intake to the surface of the water through ______ feet of hard intake hose.

A

10, 20

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20
Q

Intake pressure correction takes into account Lift + _________ .

A

Total Intake Hose Friction Loss

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21
Q

Auxiliary brake systems include ____________ .

A

Electromagnetic retarder, Transmission output retarder, Engine compression brake, Exhaust brake

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22
Q

Two types of skids are _______________ .

A

Acceleration skid and locked wheel skid

23
Q

Available water Percentage Method:

A

If the percent is 0-10 then 3x current flow; 11-15 is 2x, 16-25 is same amount that is currently flowing and over 25% drop, water might be available, but not as much as is currently flowing.

24
Q

Electric Power Generators:

A

Inverter 1500, portable generators 5000, vehicle mounted generators 12,000 and rescue/specialty vehicle 50,000 watts.

25
Q

Back pressure is:

A

Head pressure or elevation pressure.

26
Q

Typical brush truck GPM?

A

500 gpm via 500 gal tank

27
Q

The section of a centrifugal pump that gradually increases in size is called the __________.

A

Volute

28
Q

How often should the brakes be thoroughly tested?

A

Annually

29
Q

A better choice than using a pitot tube would be to use a ___________ .

A

Flowmeter

30
Q

Minimum fill capacity for a tanker is:

A

1000 gpm

31
Q

When would the driver manually stop the regen process?

A

When parked on top of flammable material.

32
Q

Exhaust, Vacuum and Air are all types of:

A

Primers

33
Q

Lift:

A

Theoretical 33.9, Maximum 25, Dependable 14.7

34
Q

NFPA min gpm for a pumper is:

A

750 gpm

35
Q

The DPF:

A

Removes particles causing black smoke from the exhaust.

36
Q

Fog Master Stream psi:

A

100 gpm

37
Q

Smooth Bore Master Stream psi:

A

80 gpm

38
Q

Connect two portable water tanks with a:

A

jet siphon

39
Q

Water hammer in a centrifugal pump can affect:

A

All the way back to the water mains

40
Q

Stay ____ feet away from Railroad tracks when working.

A

30 feet

41
Q

Engine speed test is performed under:

A

no load

42
Q

Floating strainer minimum amount of water:

A

1 foot

43
Q

Low Level drafting strainer minimum amount of water:

A

4 feet - 2 feet above and 2 feet below

44
Q

What type of test is performed outside of the bay?

A

Functional Test

45
Q

Tandem Pumping is:

A

Pumping from one pumper to another (discharge to intake) for the purpose of boosting pressure in the second pumper.

46
Q

Dual Pumping is:

A

Supplying two attacking pumpers from one hydrant (intake to intake).

47
Q

Relay Pumping is:

A

Pumping from one pumper to another over a long distance for the purpose of boosting volume in the second pumper.

48
Q

Newtons Law:

A

An object in motion remains in motion until acted upon by an equal and opposite reaction (relating to water in a tank).

49
Q

Nozzle reaction for fog tip:

A

0.0505 x Q x Sq root of NP

50
Q

Nozzle reaction for solid tip:

A

1.57 x D2 x NP

51
Q

Flow rate for solid tip:

A

29.7 x D2 x Sq root of NP

52
Q

Formula for finding gal capacity of pool:

A

L x W x D x 7.5

53
Q

PDP =

A

NP + TPL

IFSTA Pumping Apparatus Driver/Operator (2 decks)

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