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Aerial Testing > Aerial Apparatus pt. 2 > Flashcards

Aerial Apparatus pt. 2 Flashcards

?s 53 - 105

1
Q

Which statement is true with regard to controlling a skid in an apparatus not equipped with ABS?

A

Turn the steering wheel so that the front wheels face in the opposite direction of the skid.

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2
Q

The main feature of a relief valve is to:

A

release excessive pressure within the pump.

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3
Q

Before turning corners or negotiating curves, the apparatus driver of a manual transmission should:

A

shift into a lower gear.

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4
Q

Victims that are _____ should be rescued first.

A

most severely threatened

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5
Q

The confined space turnaround exercise allows you to turn the apparatus ____ degrees.

A

180

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6
Q

In 2012, there were _____ firefighters killed while on duty.

A

81

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7
Q

Which is particularly well-suited for below grade rescue operations?

A

Three-boom articulating aerial platform.

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8
Q

An Auxiliary cooling device:

A

cools engine water when the apparatus pump is engaged.

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9
Q

When operating a tiller leaving the station and the apparatus is turning sharp right, you should:

A

keep the tiller centered in the doorway.

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10
Q

When left idling because of cold weather or floodlight operations, diesel engines should be set at:

A

high idle.

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11
Q

It is possible to level the aerial apparatus by using the stabilizers to raise one side of the vehicle more than the other. This is easier to correct on grades that are:

A

perpendicular to the long centerline of the apparatus.

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12
Q

A fire hydrant with an orange bonnet and cap will flow _____ gpm.

A

500 - 999

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13
Q

When operating the aerial device from the ground control station, you must be standing on:

A

the operator’s platform.

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14
Q

Based on the following illustration, when approaching from the UPHILL side in a REAR mounted aerial, you should:

A

operate the aerial over the REAR.

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15
Q

Most aerial apparatus control pedestals use three separate levers to control elevation, extension, and rotation. The levers are positioned from LEFT to RIGHT on the pedestal in the following order:

A

Extension, Rotation, Elevation
(Study guide says Elevation, rotation, and extension, but that is the order from RIGHT to LEFT.)

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16
Q

When identifying the working height of an aerial ladder, it should be in a position of _______ extension.

A

maximum elevation

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17
Q

While participating in the diminishing clearance exercise, you must stop the apparatus with the front bumper within _____ inches of the finishing line.

A

6

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18
Q

When backing a fire apparatus, which is true?

A

If you cannot see your spotter, do not back the apparatus.

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19
Q

When an aerial apparatus must operate on an incline with two rear jacks, you can reduce these stresses by:

A

always operating the device over the front of the apparatus.

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20
Q

A method of relay pumping is:

A

constant pressure.

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21
Q

When using an aerial ladder to remove a victim in a stokes basket, if the basket will not fit between the rails, it may be secured to the:

A

top rail.

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22
Q

It is important to maintain ____ of fuel.

A

at least 3/4 of a tank

23
Q

Which hazardous actions contribute to the adverse effects of weight transfer?

A

Too much speed in turns.

24
Q

The most stable operating position for any aerial device is:

A

in line with the longitudinal axis.

25
Q

The purpose of a stabilizer pad is to provide:

A

weight distribution for the stabilizer.

26
Q

Excessive engine temperatures during pumping operations can be controlled by using the:

A

auxiliary cooler.

27
Q

The safest time to attach the ladder pipe and make hose connections is when the device:

A

is still in its bedded position.

28
Q

The 50% annual pump test on a quint apparatus is conducted at a net pump pressure of:

A

250 psi for 10 minutes.

29
Q

A hot-shift PTO system can be engaged when the main transmission is in:

A

neutral.

30
Q

When lowering to the bedded position, you must:

A

assure that the aerial is properly aligned.

31
Q

Which statement is true with regard to passing other vehicles during emergency response?

A

Be certain that the opposing lanes of traffic are clear of oncoming traffic when crossing the center line.

32
Q

The parking brake must be able to hold the apparatus in place on a _____ percent grade.

A

20

33
Q

What happens when the floor of the platform and/or the knuckles between the booms are not parallel to the ground?

A

Twisting force on the entire aerial device.

34
Q

The tiller operator’s assignments include straight-line driving, turning and backing, _______, and safe operation of the aerial ladder.

A

proper placement of the trailer

35
Q

Which stabilizers cannot be deployed if obstructions are present?

A

Fulcrum

36
Q

In a _____ hydrant, a small drain valve opens as the hydrant is closed.

A

dry-barrel

37
Q

According to the US Fire Administration, ______ firefighters were killed in the US while responding to or returning from emergency calls.

A

17

38
Q

Fire fighting foam consists of approximately _______% water.

A

94 - 99.9

39
Q

Which valve determines whether the pump is operating in series or pressure mode?

A

Transfer valve

40
Q

While conducting a pump capacity test, if the net pump pressure is correct, but the nozzle flow (gpm) is too high, the:

A

discharge gate must be closed further, decrease throttle.

41
Q

A ladder pipe with a 2-inch tip @ 80 psi nozzle pressure will have approx. ________ pounds of nozzle reaction.

A

500

42
Q

Manufacturers recommend that new apparatus be frequently washed with cold water for:

A

six months.

43
Q

A braking system that has a snow-and-mud- switch is an:

A

antilock braking system with automatic traction control.

44
Q

The stability of tillered aerial apparatus can be increased at an incident location by:

A

jackknifing the apparatus 90 degrees or less.

45
Q

The collapse zone of a building should be _______ the structure.

A

one and one half times the height of

46
Q

Which condition should be between 0 degrees F and 100 degrees F during a service pump test?

A

Barometric temperature

47
Q

A fire apparatus should be dried:

A

with a clean chamois.

48
Q

The maximum loading for an unsupported aerial device occurs when operated at angles ______ degrees from horizontal.

A

between 70 and 80

49
Q

Water adds weight to the fire building at the rate of ____ per minute for every 250 gpm applied.

A

2,000 lbs

50
Q

Which is a destructive aerial device testing procedure?

A

Load

51
Q

When relay pumping, if the intake pressure drops below 20 psi:

A

there is a danger of a cavitation.

52
Q

When setting up for defensive operations with an elevated master stream, position the aerial apparatus:

A

on the unburned side of the building.

53
Q

What prevents the movement of fluid within the stabilization system?

A

Holding valve

Aerial Testing (4 decks)

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