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Fire Appartus Driver Operator > Chpt 18 > Flashcards

Chpt 18 Flashcards

1
Q

The first thing that should happen whenever any drill or when another shift turns over any type of apparatus is to perform a

A

360 degree walk around inspection

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2
Q

The 360 degree walk around provides you with that initial

A

Size up

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3
Q

Most inspections should start at the _____ and continue with a quick cursory look at the apparatus

A

Drivers door

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4
Q

Hydraulic reservoirs have to be checked at least _____, according to your departments SOPs.

A

Weekly

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5
Q

The reservoir contains an integral filter that cleans the oil of particles as small as

A

10 microns

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6
Q

Crossing railroad tracks shortens the ___, the _____, and the ______, that bump you heard during the last call might possibly have been an outrigger plate or a low hanging piece of apparatus under the truck hitting the track as the apparatus passed over it

A

Angle of approach, angle of departure, and break over angles

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7
Q

Are commonly used in apparatus that must operate in larger cities with narrow streets

A

Short set outriggers

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8
Q

The ____ are the largest and most powerful hydraulic system on the aerial apparatus

A

Lift cylinders

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9
Q

These double acting cylinders are used to raise and lower the aerial through the application of hydraulics. They also have ______ that will hold the cylinders in the position requested

A

Pilot operated check POC

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10
Q

The advantage of the ______ is that it allows the driver operator to configure the unit to fly below the 0 degree grade and still have enough power to lift the aerial back up

A

Double acting cylinder

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11
Q

The double acting cylinder also allows for smooth synchronous operations and enables the driver operator to _____ the controls and perform movements of the ladder without jerking and getting the units into a bind

A

Feather

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12
Q

Some aerial devices that have a long reach or heavy sections will utilize two rotation gears. According to engineers, this arrangement reduces ______ that is, side to side motion of the aerial turntable

A

Backlash

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13
Q

Th minimum flow on an aerial device, per NFPA standards, is

A

1000 gpm

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14
Q

The _____ allows the ladder to turn while the waterway stays connected

A

Hydroelectric swivel

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15
Q

In the middle of the device is a water passage with ____ on both the top and bottom of the swivel

A

Victaulic connections

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16
Q

The _____ are the bottom part of the ladder that holds the rungs

A

Base rails

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17
Q

All of the sections bottom rails are called

A

Base rails

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18
Q

The ____ are the actual stepping surface that is used to climb the ladder

A

Rungs

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19
Q

At a minimum, the rungs have an outer diameter of 1 1/4 inches around and should be capable of supporting ____ at the center of each rung

A

250 pounds

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20
Q

The rung has to be able to support _____

A

Two firefighters or a firefighter and a victim

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21
Q

Are stiffening members of the lower rung and base rail assembly

A

K braces

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22
Q

The ____ are the rails that fire fighters hold onto while climbing each section of the ladder

A

Hand rails

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23
Q

Controls located at the platform are the same as those found at the

A

Turntable control

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24
Q

All functions of the platform controls can be over ridden by the _____ from the lower control section

A

Turntable operator

25
Q

A valve is also provided that taps into the waterway pipe in the platform. It protrudes through the protective cover installed under the platform and will spray up to ____ for cooling under the platform in case of impinging fire

A

75 gpms

26
Q

The ____ has an obstructed view, and his job is steer the back of the trailer

A

Tiller man

27
Q

An _____ foot switch is provided in the event of headset failure, through which the tiller operator can signal the driver with one buzz for stop and two buzzes for go

A

Electric buzzer foot switch

28
Q

The tillerman also has a _____ switch on the floor that he or she must press so that the front driver operator can start the truck, thereby preventing the front driver operator from leaving the firehouse without a tiller operator

A

Safety or dead mans switch

29
Q

A dash mounted gauge called the _____ informs the tillerman of the position of the rear wheels either centered, left, or right

A

Rudder control indicator

30
Q

A tracking light is mounted on the back of the truck cab that is visible to the tiller cab; the tillerman uses this light as a ____ to keep the tiller straight

A

Centering guide

31
Q

The most important consideration in aerial operations is

A

Proper set up and good ground to work from

32
Q

Whenever you set up an aerial, whether it is for training, operational checks, or firefighting, you need a

A

Good base

33
Q

Treat any set up, either real or training, as a test of your

A

Placement decision

34
Q

The aerial is most effective when deployed off the_____ of the apparatus, because you can get maximum reach of the device with maximum stability

A

Rear

35
Q

Try to get the center of the turntable________, so that you can raise, rotate, and extend the aerial with maximum efficiency

A

Inline with the target

36
Q

Each control station will have a fast idle switch, which tells the diesel to idle up to _____ to supply hydraulic volume and pressure

A

1000 to 1500 rpm

37
Q

The ____ shows that the apparatus is between 0 and 3.5 degrees, which indicates that you will be able to use 100 percent of the ladders capacity

A

Green zone

38
Q

The ____ indicates that the apparatus is between 3.5 and 6.0 degrees, which limits the use of the ladders capacity to 50 percent

A

Yellow zone

39
Q

The _____ indicates that the apparatus is exceeding safe limits.

A

Red zone

40
Q

In a perfect world, the driver operator will set up the apparatus so that the trucks leveling ball shows zero degrees in the

A

Green zone

41
Q

On every function of the outrigger controls, there is a _____ to indicate that the driver operator has safely and successfully deployed that part of the device

A

Green light

42
Q

Sometimes, such as when there is a short street or a parked car in the way. It is not possible to extend a beam all the way out. This scenario and set up, called a ____, limits the use of the device

A

Short set

43
Q

The _____ of the unit is measured from the ground to the highest rung at full elevation

A

Working height

44
Q

Ladders are built anywhere from ____ of vertical height and can operate at up to _____ of elevation

A

75-135 ft

75 degrees

45
Q

Is measured from the heel pin or centerline of the truck to the outermost reach of the ladder itself

A

Horizontal height

46
Q

Newer aerial apparatus are capable of operating at full capacity while in angles ranging from ______

A

-10 degrees to +75 degrees

47
Q

When an aerial is in the cradled or horizontal position, the angle is considered to be _____

A

Zero degrees

48
Q

Newer aerial devices with more powerful hydraulic systems are capable of lowering the ladder below zero degrees to a negative or below horizontal angle. These type of maneuvers are usually performed at ______

A

90 degrees off the side over the outriggers or directly over the back of the apparatus

49
Q

Are the most important charts carried on the aerial apparatus

A

Load charts

50
Q

More accidents happen during the ____ than during any other operation of aerial devices

A

Rotation phase

51
Q

Most aerial devices are ____ long when they are not extended and all sections are bottomed out in the fully retracted position

A

35 to 40 ft

52
Q

The pin has two positions, and the outer most position is commonly referred to as the _____

A

Water tower position

53
Q

Some aerial devices are capable of locking the monitor back at the outer midsection, which allows the fly section to have a clear bottom without a waterway or monitor that might interfere with ladder placement. Most departments run their waterways in this fashion which is called the

A

Rescue position

54
Q

Is used on steel aerial apparatus

A

Magnetic particle test

55
Q

The test is performed by using a small amount of steel particles that are puffed onto the area being tested by a small snuffer that mimics a small bulb syringe

A

Magnetic particle test

56
Q

Utilizes sound waves to test a material for thickness

A

Acoustic testing

57
Q

Also uses sound waves, but it relies on a scope that via, a display signature, indicates if there are defects in the material

A

Ultrasonic testing

58
Q

Is used to reveal surface defects only. A colored dye is applied to the area of suspected deficiency, and a developer is subsequently applied.

A

Dye penetrant testing

59
Q

Dye penetrant testing is primarily used for testing

A

Aluminum ladders

Fire Appartus Driver Operator (18 decks)

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