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Aerial Testing > Aerial Apparatus pt. 3 > Flashcards

Aerial Apparatus pt. 3 Flashcards

?s 106 - 153

1
Q

In a hydraulic system, the medium used to transmit force is:

A

hydraulic fluid

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2
Q

If an apparatus begins to skid, you should:

A

turn the apparatus steering wheel so the front wheels face the direction of the skid.

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3
Q

The lower cord of an aerial ladder to which the rungs, trussing, and other portions of an aerial ladder are attached is the:

A

base rail.

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4
Q

The use of warning devices:

A

negates some traffic laws.

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5
Q

What are two primary areas of concern and focus on articulating platforms?

A

Articulating elbow/working end

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6
Q

NFPA 1901 establishes minimum requirements for forcible entry that specifically includes:

A

pickhead axes

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7
Q

One way to effect a blitz attack with an elevated master stream is to try to deflect water off the _______ of the fire room.

A

ceiling

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8
Q

When parked on a ________ grade, do not extend or retract the aerial device over the side of the apparatus.

A

longitudinal

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9
Q

A double-acting hydraulic cylinder is different from a standard hydraulic cylinder because it:

A

is capable of receiving pressurized oil from both sides of the piston.

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10
Q

Which establish requirements for seat belts on fire apparatus?

A

NFPA 1901 & NFPA 1500

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11
Q

Minimum qualifications for fire apparatus driver/operators are set by:

A

NFPA 1002

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12
Q

The transition from the water tank to an external water supply:

A

must be made without disrupting the fire attack.

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13
Q

Which is true with regard to using the inter-axle differential lock on vehicles so equipped?

A

Always unlock the inter-axle differential lock switch again when road conditions improve.

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14
Q

If the foam concentrate inlet to the eductor is too high:

A

foam may not be inducted

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15
Q

The purpose of using a spotter is to assist:

A

the driver by observing the area in the blind spot.

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16
Q

What is the first step for retracting the stabilizers?

A

Remove the safety pins from the jacks.

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17
Q

______ tests include manufacturer’s tests, aerial device certification tests, and acceptance tests.

A

Preservice

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18
Q

Approximately ____ psi should be added to the desired engine pressure for each floor above the standpipe connection.

A

5

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19
Q

Jackknifing occurs when the trailer and cab are:

A

LESS than a 90 degree to one another while in motion or static.

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20
Q

When more than one emergency vehicle are responding along the same route, units should travel at least ______ feet apart.

A

300 - 500

21
Q

Prior to changing from tank water to an external source:

A

make sure all air is bled from the intake.

22
Q

You are responding to an emergency in the center lane when the vehicle ahead stops. Which evasive tactic should be employed?

A

Brake to reduce speed as you pass on the left side.

23
Q

The two (2) types of position grades on which you may find yourself setting up are:

A

longitudinal and lateral.

24
Q

Which statement must be observed when using foam?

A

The eductor must control the pressure through the system.

25
Q

When moving victims down aerial ladders:

A

infants and small children may be cradled down.

26
Q

The use of auxiliary hydraulic pumps on aerial devices should be limited to:

A

bedding the aerial device after the main system failure occurs.

27
Q

When operating an aerial platform to a window for the purpose of rescue, the aerial platform may be placed with the:

A

top rail of the platform even with the window sill.

28
Q

A disadvantage of having inverters is:

A

limited mobility from the vehicle.

29
Q

When operating an aerial ladder to a window for the purpose of rescue, the aerial ladder tip should be placed with the first rung:

A

even with the window sill.

30
Q

Most manufacturers recommend that the ____ stabilizers be lowered first when operating on a slope.

A

UPHILL

31
Q

The _______ is the most basic type of portable foam proportioner.

A

in-line eductor

32
Q

The tractor-trailer apparatus/tiller should never be positioned with the tractor and trailer at an angle:

A

GREATER than 90 degrees

33
Q

In an auxiliary cooling system, heat is transferred from the engine coolant to the:

A

radiator.

34
Q

If you violate state, local, or department driving regulations and are involved in an accident, you may be subject to:

A

civil prosecution.

35
Q

The angle formed by level ground and a line from the point where the REAR tires touch the ground to the bottom of the frame at the wheel base MIDPOINT is the:

A

Breakover Angle.

36
Q

When stabilizing tractor-trailer aerial apparatus/tiller, maximum stability occurs when the angle of the tractor is _____ degrees from the centerline of the trailer, and the aerial ladder is operated toward the outside of the angle.

A

60

37
Q

When washing a fire department apparatus, water should be applied with a:

A

garden hose that does not have a nozzle attached.

38
Q

The manufacturer’s manual will _______ the Society of Automotive Engineers (SAE) number for the engine oil.

A

recommend

39
Q

The top cord of an aerial ladder to which the opposite ends of the trussing are attached is the:

A

handrail.

40
Q

The correct order of operation for any telescoping aerial device is:

A

Elevate, Rotate, Extend, Lower

41
Q

Which is true with regard to backing fire apparatus?

A

Two spotters are preferable to one spotter

42
Q

When elevated master streams are used for a blitz attack, you should continue to flow water until:

A

fire is darkened down.

43
Q

Heavy weight carried on most fire apparatus can contribute to _______ due to excessive weight transfer.

A

skidding

44
Q

To select the proper lubricant, primary consideration must be given to the:

A

manufacturer’s recommendations.

45
Q

Which statement regarding vehicle-mounted generators is true?

A

They usually have a larger capacity than portable units.

46
Q

The servicing of air filters should be carried out:

A

as required by the manufacturer.

47
Q

Many traffic accidents involving apparatus are caused by the operator:

A

focusing too much on the traffic in front of the apparatus.

48
Q

Which is basically a two-part device?

A

Box Stabilizers

Aerial Testing (4 decks)

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