Chapter 18 - Stabilizing the Apparatus Flashcards by Sara Jones

The apparatus \_\_\_\_\_\_ process is perhaps the most critical aspect of preparing an aerial device for use.
A. stabilization
B. driving
C. inspection
D. monitoring

A. stabilization

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\_\_\_\_\_\_\_ training on the aerial is the ONLY way to accomplish efficiency when stabilizing.
A. one on one
B. repetitive
C. daily
D. yearly

B. repetitive

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When an aerial device is raised AND extended to either side of the chassis, the wheel \_\_\_\_\_ and suspension of the apparatus are not adequate to handle the weight and the \_\_\_\_\_\_\_ momentum that the extended aerial device creates.
A. base, great
B. span, aerial
C. span, torsional
D. base, swift

C. span, torsional

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When an aerial device is raised AND extended to either side of the chassis, the wheel span and \_\_\_\_\_\_\_\_ of the apparatus are not adequate to handle the \_\_\_\_\_ and the torsional momentum that the extended aerial device creates.
A. base, movement
B. aerial, actions
C. base, weight
D. suspension, weight

D. suspension, weight

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When an aerial device is raised AND extended to either side of the chassis, the wheel span and suspension of the apparatus are not adequate to handle the weight and the torsional momentum that the extended aerial device creates. Therefore, it is necessary to \_\_\_\_\_\_ or widen the base of the chassis beyond the span of the wheels so that it resists the tendency to \_\_\_\_\_\_ when the device is extended over one side or the other.
A. broaden, overturn
B. broaden, flip
C. blow up, overturn
D. none of the above

A. broaden, overturn

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Are aerial apparatus stabilizing principles fairly complicated? YES or NO

NO - fairly simple

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Essentially, an aerial apparatus is a system of \_\_\_\_\_\_\_\_\_ components.
A. mismatch
B. connected
C. electric
D. metal

B. connected

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When parked, with the aerial device in its \_\_\_\_\_\_\_ position, the apparatus has a center of gravity located somewhere along the \_\_\_\_\_\_\_\_ midline of the chassis, between the front and rear axles.
A. extended, longitudinal
B. raised, parallel
C. stowed, longitudinal
D. raised, proper

C. stowed, longitudinal

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If the aerial device is deployed WITHOUT first setting the stabilizers, the base of stability is limited to the \_\_\_\_\_\_ formed at each corner by the tires of the apparatus.
A. rectangle
B. circle
C. square
D. oval

A. rectangle

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If the aerial device is deployed WITHOUT first setting the stabilizers, the base of stability is limited to the rectangle formed at each corner by the tires of the apparatus. This LIMITED BASE OF STABILITY is ______(desirable/undesirable?) because the inherent _______ (flexibility/inflexibility?) of the suspension AND tires.

undesirable

- flexibility

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When the aerial device is elevated from the resting position of the cradle, the \_\_\_\_\_\_\_\_ begins to take on more and more weight as the device is raised.
A. aerial
B. suspension
C. chassis
D. none of the above

B. suspension

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What should you do, even if you only lift the device a few feet from the cradle to open the tilt cab in order to minimize or eliminate stress on the suspension?

place stabilizers in position

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Who recommends fully deploying stabilizers and stabilizer pads (jack plates) during EVERY stabilizer setup and every time the aerial device is raised from its bed?
A. NFPA
B. AHJ
C. IFSTA
D. OSHA

C. IFSTA

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What is another name for jack plates?

stabilizer pads

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By deploying the apparatus stabilizers, the base of stability for the aerial is effectively ________ (increased/decreased?)

increased

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Stabilizers = increased base of \_\_\_\_\_\_\_
A. protection
B. gravity
C. stabilizers
D. stability

D. stability

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Extending the device straight over the apparatus will cause a ______ forward shift in the center of gravity.

corresponding

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If the driver begins to rotate the extended aerial device, the center of ______ would move away from the longitudinal midline of the apparatus toward the side of the aerial device operation.

gravity

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If the driver begins to rotate the extended aerial device, the center of gravity would move away from the l________ midline of the apparatus toward the side of the aerial device operation.

longitudinal

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If the driver begins to rotate the extended aerial device 360°, it will trace a \_\_\_\_\_\_\_\_\_.
A. gravity circle
B. stabilization grid
C. gravity grid
D. round base

A. gravity circle

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As long as the gravity circle does not extend outside the base of \_\_\_\_\_, the apparatus should remain stable.
A. the chassis
B. stability
C. rig
D. the wheels

B. stability

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The gravity circle of a short-jacked side of an aerial will extend _______(beyond/just to?) the base of stability.

beyond

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The gravity circle of a short-jacked side of an aerial will extend beyond the base of stability indicating that extending the aerial device on the short-jacked side will likely \_\_\_\_\_\_\_ the apparatus.
A. stabilize
B. move
C. overturn
C. none of the above

C. overturn

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Newer apparatus may be equipped with limit switches (rotational \_\_\_\_\_\_) that prevent the movement of the aerial device to the short-jacked side.
A. stop
B. check
C. switch
D. interlock

D. interlock

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``` Another name for a rotational interlock is a .... A. limit switch B. check gauge C. check switch D. limit lever ```

A. limit switch

Should you rely ONLY on the limit switch (rotational interlock) automatic feature from preventing a serious accident? YES or NO

``` ______ grades may also have an adverse effect on the stability of an apparatus. A. front to back B. lateral C. down A. up ```

B. lateral

If parked on a lateral grade, the center of gravity (and theoretical gravity circle) will shift to the _______(lower/higher?) side.

lower

``` If parked on a lateral grade, the center of gravity (and theoretical gravity circle) will shift to the lower side. If the aerial device is raised over the lower side, the gravity circle may extend beyond the ________. A. wheels B. chassis base C. base of stability D. circle maximums ```

C. base of stability

``` ______ the aerial device can also have an adverse effect on the stability of the apparatus, even if a level surface with the stabilizers fully deployed. A. overpowering B. underpowering C. overloading D. underloading ```

C. overloading

``` Overloading the aerial device can also have an adverse effect on the stability of the apparatus, even if a level surface with the stabilizers fully deployed. This will result in an expansion of the ________. A. gravity circle B. stabilization grid C. gravity grid D. round base ```

A. gravity circle

OVERLOADING = expansion of gravity circle = outside the base of stability(mostly to either side) Exmp: overextended older apparatus that is operating at ___ angles of elevation.

low

What is another name for outriggers, groundjacks and screw jacks?

stabilizers

Stabilizers, outriggers, groundjacks and screw jacks are required to prevent the apparatus from tipping as the aerial device is extended _____ (away from/closer to?) the centerline of the chassis.

away

Type, size and configuration of the aerial require different types of st________.

stabilizers

``` What is another name for downriggers? A. box stabilizers B. a-frame C. scissor D. post-type stabilizers ```

D. post-type stabilizers

3 of the most common types of stabilizers are: - p___-type stabilizers - b___ stabilizers - A-f_____ stabilizers

- post-type - box - A-frame

``` What type of stabilizer are straight jacks that extend down form the chassis? A. post-type B. A-frame C. downriggers D. both A and C ```

D. both A and C (post-type, downriggers)

``` What type of stabilizer extends straight away from the truck and have jacks that extend straight down to the ground? A. X-style B. box C. H D. both B and C ```

D. both B and C (box, H)

``` What type of stabilizer are also called fulcrum-type stabilizers? A. A-frame B. scissor C. X-style D. all of the above ```

D. all of the above

``` What type of stabilizer extend down and away from the chassis at an angle? A. A-frame B. scissor C. X-style D. all of the above ```

D. all of the above

You must engage this in order to deploy the stabilizers and the aerial device? HY______ system

hydraulic

What two things can you deploy after you activate the power take-off (PTO) or other specialized hydraulic systems?

stabilizers and aerial device

The PTO provides the p_____ to the hydraulic pump, which in turn creates a p_____ on the fluid in the hydraulic system.

- power | - pressure

Should you engage the PTO if the aerial apparatus has NOT been positioned properly in accordance with the conditions? YES or NO

The process of engaging the PTO is fairly similar on aerials, but the type of PTO activation switch varies. TRUE or FALSE

TRUE

The engagement switch for the PTO or hydraulic system is usually located on the dashboard of the vehicle, between the driver and passenger/officer seats OR (TYPICALLY) in the switch panel above the driver's seat. TRUE or FALSE

TRUE

The type of PTO varies from m_______ to m______ and may be pn_____, e_____, h____ or a combo of these 3.

- manufacturer - manufacturer - pneumatic - electric - hydraulic

``` The type of PTO varies from manufacturer to manufacturer and may be pneumatic, electric, hydraulic or a combo of these 3. Pneumatic systems require anywhere from ___ to ___ psi air pressure for the PTO to be operated, depending on the manufacturer. A. 50 to 140 B. 50 to 100 C. 30 to 130 D. 10 to 50 ```

A. 50 to 140

``` The procedures for engaging and disengaging PTOs on aerial apparatus depend upon the type of _______ the apparatus has and whether or not the apparatus is equipped with a fire pump. A. coloring B. transmission C. ladder D. tires ```

B. transmission

``` The procedures for engaging and disengaging PTOs on aerial apparatus depend upon the type of transmission the apparatus has and whether or not the apparatus is equipped with a _______. A. bucket B. nozzle C. long extension D. fire pump ```

D. fire pump

Some apparatus manufacturers recommend that the apparatus equipped with engine brakes or retarders may need to have the system _____ prior to engaging the PTO.

shut off

4 types of PTO engaging procedures: - automatic transmission without a f__ p__ - ma____ transmission without a fire pump - au_____ transmission with fire pump in USE - manual transmission with fire pump in u___

- fire pump - manual - automatic - use

``` Most new models of aerials are equipped with a "__-shift" PTO system that are acceptable to engage when the main transmission is in neutral. A. wet B. go C. hot D. ready ```

C. hot

TRUE

Most new models of aerials are equipped with a "hot-shift" PTO system that are acceptable to engage when the main transmission is in neutral. ONLY hot-shift if the you know that the apparatus is equipped with the system. If you do hot-shift and the apparatus does not have the system, it could result in damage to both the _ _ _ and the main tr_______.

- PTO | - transmission

Whenever possible, ______ the aerial device before activating the pump.

position

Whenever possible, position the aerial device before activating the pump. However, when the fire pump is already activated and in use, and the hydraulic system needs to be activated later, it is necessary to ______(higher/lower?) engine speed to near idle prior to engaging the HY_____ system PTO or other devices.

- lower | - hydraulic

Whenever possible, position the aerial device before activating the pump. However, when the fire pump is already activated and in use, and the hydraulic system needs to be activated later, it is necessary to lower engine speed to near idle prior to engaging the hydraulic system PTO or other devices. What will happen to the water supply to nozzles?

lower

Whenever possible, position the aerial device before activating the pump. However, when the fire pump is already activated and in use, and the hydraulic system needs to be activated later, it is necessary to lower engine speed to near idle prior to engaging the hydraulic system PTO or other devices. Water supply will lower to handlines. The operator must notify WHO about this?

personnel on handlines and nozzles

What process should begin with the driver and officer assessing the setup area?

process of setting stabilizers

``` Vehicle placement and stabilizer deployment has to be _____ and efficient during emergencies. A. timely B. slow C. calm D. rushed ```

A. timely

``` Vehicle placement and stabilizer deployment has to be timely and efficient during emergencies; if personnel are available, a ____ effort helps to ensure this. A. single man B. team C. working D. quick ```

B. team

The goal of placement and stabilization is _ move and _ setup without repositioning.

1 and 1

``` Before the deployment of stabilizers, drivers should conduct some _______ checks. A. pre B. basic C. preliminary D. cross ```

C. preliminary

Before the deployment of stabilizers, drivers should conduct some preliminary checks. First they need to make the following QUICK observations to avoid potential problems: (3) 1. If not already automatically accomplished, activate the _____ brake lock to minimize longitudinal movement of the chassis. A. back B. air C. total D. front

D. front

Before the deployment of stabilizers, drivers should conduct some preliminary checks. First they need to make the following QUICK observations to avoid potential problems: (3) 2. Make sure the ___ engagement light is lit before leaving the cab.

PTO

Before the deployment of stabilizers, drivers should conduct some preliminary checks. First they need to make the following QUICK observations to avoid potential problems: (3) 3. c___ the wheels - follow _ _ _s and m_______ recommendations as to which wheels to do this to.

- chock - SOPs - manufacturers

Before the deployment of stabilizers, chock the wheels according to SOPs and manufacturer recommendations (for which wheels to chock). Regardless of which wheels, they should be chocked in f____ of and b____ the tire, on both s____ of the apparatus, with approximately an inch of extra space for the apparatus to move without causing a wheel chock to become stuck under the tire.

- front - behind - sides

``` Before the deployment of stabilizers, chock the wheels according to SOPs and manufacturer recommendations (for which wheels to chock). Regardless of which wheels, they should be chocked in front of and back the tire, on both sides of the apparatus, with approximately _____ of extra space for the apparatus to move without causing a wheel chock to become stuck under the tire. A. 1 inch B. 1 foot C. 3 inches D. 1/2 inch ```

A. 1 inch

Regardless of which wheels, they should be chocked in front of and back the tire, on both sides of the apparatus, with approximately 1 inch of extra space for the apparatus to move without causing a wheel chock to become stuck under the tire. After lifting the apparatus should you maintain this space by moving the chocks? WHY or WHY NOT

YES, so when you bring the apparatus down, the chocks do not get stuck and you have to lift it again

``` Before the deployment of stabilizers, chock the wheels according to SOPs and manufacturer recommendations (for which wheels to chock). If using _______ type of chocks, it is critical that they are locked and properly deployed. A. wood B. collapsible C. plastic D. metal ```

B. collapsible

While setting up for stabilization and after chocking the wheels, the driver should anticipate the expected travel p___ of the stabilizers as they deploy to be sure that they do not strike or land on other ob_____.

- path | - objects

Other vehicles, utility poles, hoselines, fences, signs and others personnel operating on the scene are all WHAT that drivers of aerials should be looking for when setting up for stabilization.

obstructions

You can use a short pike pole, closet hook or arm span to estimate the travel path of WHAT on an aerial?

stabilizers

``` WHO can help the driver of the aerial assist with positioning the apparatus to avoid curbs, manholes, vehicles, and so forth when setting up for stabilization? A. spotter B. officer C. observer D. all of the above ```

A. spotter

With proper apparatus positioning, any fixed o_____ will be clear of the stabilizers.

object

``` Position a second firefighter in the area of stabilizer deployment to keep people away from the stabilizer _______ zone. A. deployment B. contact C. working D. outbound ```

B. contact

``` Large rocks, fire hose, tools, underground utility access covers and broken pavement are things a driver should MOVE to ensure the stabilizer _______ contact areas are as stable as possible. A. base B. pad C. shoe D. all of the above ```

C. shoe

If you need to use cribbing to supplement stabilizer effectiveness, you should follow dept. _ _ _s and m________ recommendations.

- SOPs | - manufacturer

If you need to use cribbing to supplement stabilizer effectiveness, you should follow dept. SOPs and manufacturer recommendations. The material must be of adequate s___ and str_____ to withstand the load imposed by the a_______ apparatus.

- size - strength - aerial

If you need to use cribbing to supplement stabilizer effectiveness, you should follow dept. SOPs and manufacturer recommendations. The material must be of adequate size and strength to withstand the load imposed by the aerial apparatus. The driver must ensure proper pl_____ of cribbing to preclude sl______ from underneath the stabilizer pads OR shoe.

- placement | - slipping

If you need to use cribbing to supplement stabilizer effectiveness, you should follow dept. SOPs and manufacturer recommendations. The material must be of adequate size and strength to withstand the load imposed by the aerial apparatus. The driver must ensure proper placement of cribbing to preclude slipping from underneath the stabilizer pads OR shoe. Cribbing should only be used as a ______ resort and by those with proper ins_______ and t_______ to use it!

- last - instruction - training

Should you place stabilizers over drainage areas, underground tanks or vaults and utility access zones? YES or NO

``` Once the driver has success with preliminary activities and the ground is prepared for stabilization activities, the _______ valve may be operated. A. closing B. back C. check D. selector ```

D. selector

This valve is used to send hydraulic power to the stabilizers or switched to the aerial.

selector

The selector valve is either located on the r___ step or mid____ on the driver's side of the apparatus.

- rear | - midship

The physical operation of the valve varies and depends on the __________.

manufacturer

``` According to the manufacturer's directions, the selector valve controls should be clearly marked as to the proper _________ for each operation. A. position B. location C. limit D. speed ```

A. position

``` What is called the outrigger, jack or leveling position? A. backing position B. stabilization position C. motion position D. all of the above ```

B. stabilization position

On some makes of apparatus, operation of the selector valve automatically releases the aerial device bed LOCKS. TRUE or FALSE

TRUE

When the selector valve control has been moved to the proper position, the apparatus is ready for s_________ to begin.

stabilization

``` What kind of terrain is the IDEAL location to stabilize an aerial? A. rocky B. uneven C. even D. soft soil ```

C. even

``` Even _______ allows for the maximum stability of the apparatus and for the greatest range of safe movement of the aerial device. A. soil B. rocks C. pavement D. terrain ```

D. terrain

Where would you TYPICALLY find the stabilization controls on an aerial?

rear step

Do some manufacturers locate the stabilization controls midship on one or both sides of the aerial? YES or NO

YES

Generally, how many sets of controls are there for each stabilizer on an aerial?

The driver must only operate one control for the stabilizers on an aerial at a time. TRUE or FALSE

FALSE - they can operate more than one at a time

Before operating stabilizer controls, drivers should be aware of these general principles: (4) 1. Many of the controls are LEVER-type valves that move up and down about ___ degrees A. 90 B. 160 C. 40 D. 25

A. 90

Before operating stabilizer controls, drivers should be aware of these general principles: (4) 2. operating these controls au_________ regulate engine idle speed. A _____ (fast/slow?) -idle toggle switch or ______ (automatic/manual?) throttle control may also regulate engine idle speed. This provides the power necessary to perform the desired action.

- automatic - fast - manual

Before operating stabilizer controls, drivers should be aware of these general principles: (4) 3. when the driver operates the controls, an _______ (increase/decrease?) in engine speed occurs. (noticeable due to the ________ (increase/decrease?) of the sound level)

- increase | - increase

Before operating stabilizer controls, drivers should be aware of these general principles: (4) 4. Avoid _____ or _____ operations of the valves. Operation of the valves also affects the vehicle's engine speed. A. smooth, swift B. rough, jerky C. clean, swift D. hard, jerky

B. rough, jerky

``` What kind of stabilizers are basically two-part devices? A. X-style B. box C. H D. both B and C ```

D. both B and C

On some apparatus with box stabilizers, the aerial device WILL raise when the extension arms are NOT fully extended. TRUE or FALSE

FALSE - aerial will not raise unless the extension arms are fully extended.

``` When using box stabilizers, when the extension arms have been extended to their final position/maximum travel distance, the portable stabilizer _____ should be centered beneath the stabilizer shoes so that they will be in position when the jacks are lowered. A. ports B. bottoms C. pads D. sensors ```

C. pads

``` Stabilizer pads are usually provided by the manufacturer of the apparatus and are usually __ x __ inches with built in handles. A. 12 x 12 B. 12 x 24 C. 20 x 20 D. 24 x 24 ```

D. 24 x 24

As the stabilizer are being lowered, the driver should look at the contact area to be certain WHAT are properly positioned?

pads

When operating stabilizers on level ground, you should always lower the right side first. TRUE or FALSE

FALSE, you can lower either first

WHOS guidelines should you follow to determine when the stabilizers are properly deployed?

manufacturer's

``` Due to the potential for _____ and _____ damage, one stabilizer on an aerial should never be fully activated alone. A. chassis, torque box B. stabilizer, shoe C. stabilizer, pad D. chassis, shoe ```

A. chassis, torque box

Always activate the stabilizers in a multi-step, side-to-side OR front to back process. TRUE or FALSE

TRUE

``` In a four-jack system, operate the stabilizers in _______. A. sync B. parallel C. order D. the same fashion ```

B. parallel

When the stabilizers have made contact with the ground, the driver should alternate between s____ to raise the vehicle to its w_____ position, as close to l______ as possible.

- sides - working - level

Some fire dept. use this procedure to lower the stabilizers into working position: 1. lower jacks, side A to point where stabilizer begins to bear ______ weight. 2. lower jacks, side B to point where stabilizers begin to bear _____ weight 3. continue on side B lowering to half the remaining intended ex________ 4. return to side A, lower jacks to intended ex_______ 5. return to side B, lower jacks to intended ex_______

- chassis - chassis - extension - extension - extension

When the jacks are fully extended, the apparatus should be l_____ and ready for op_______ of the aerial device.

- level | - operation

``` Refer to the owner's _________ for the amount an aerial should be raised with the stabilizers. A. paperwork B. blueprint C. registration D. handbook ```

D. handbook

Some stabilizers are designed to lift all tires off the g______, some are designed to so all tires remain on the g______ and some to only lift the ______ (front/rear?) tires.

- ground - ground - rear

Repetitive full deployment on one side and then the other in a two step process of deploying stabilizers can cause cumulative damage to tires/wheels, axles, suspension, torque box and chassis. TRUE or FALSE

TRUE

Should all stabilizers be in FIRM contact with the ground and bear weight? YES or NO

YES

``` Once proper stabilization has been achieved, some apparatus may have a _____ interlock that automatically engages. A. safety B. manual C. reverse D. none of the above ```

A. safety

Are fulcrum-type stabilizers that extend straight down similar box-type stabilizers? YES or NO

YES

``` The primary difference between the fulcrum-type stabilizers (A-frame, scissor, x-style) and the box-type stabilizers (H-jack, H-stabilizer) is that the operator can only deploy the fulcrum-type in the fully extended position and not-at all if _________ are present. A. people B. obstructions C. vehicles D. unstable ground ```

B. obstructions

``` How close should fulcrum stabilizers be lowered to the ground prior to placement of the stabilizer pads to allow for correct placement of the pads? A. 10 inches B. several inches C. few inches D. 5 inches ```

C. few inches

``` Some designs of apparatus allow for the partial extension of the stabilizer arms and is sometimes called.... A. uneven stabilization B. longitudinal jacking C. device grade D. short-jacking ```

D. short-jacking

What side should you be extending the aerial device over: short-jacked side or fully extended stability arms side

fully extended stability arm side

If you do not extend the extension arms of the stabilizers to their maximum position, the load and range of safe movement capabilities significantly ________ (increases/decreases?).

decreases

``` Whenever possible, a ______ officer should observe aerial operations when short-jacking is in use. A. safety B. operations C. company D. engine ```

A. safety

Waterway operations should be conducted with caution in short-jacking situations because the n_______ reaction actually transfers weight to the _______ (same/opposite?) side from which the aerial device is being operated.

- nozzle | - opposite

``` There are 2 ways a truck can be uneven: _____ (side to side) and __________ (end to end). A. parallel, longitudinally B. laterally, longitudinally C. parallel, laterally D. longitudinally, parallel ```

B. laterally, longitudinally

There are 2 ways a truck can be uneven: laterally (side to side) and longitudinally (end to end). Which one is easier to correct?

lateral unevenness

``` Correction of lateral unevenness is possible on grades of up to __ percent (app. 3 degrees), but vary depending on the aerial device. (some older trucks may be much less than this) A. 6 B. 7 C. 5 D. 10 ```

C. 5

``` If you have a slope of 5% it means that there is a rise in terrain height of _ feet for every run of ____ feet distance. A. 5, 50 B. 10, 100 C. 5, 10 D. 5, 100 ```

D. 5, 100

Most manufacturers recommend lowering the stabilizers on the _______ (uphill/downhill?) side of the vehicle first (but some may say the opposite).

uphill

``` Most manufacturers recommend lowering the stabilizers on the UPHILL side of the vehicle first (but some may say the opposite). The stabilizers should be lowered ONLY until _____ contact with the ground is made. A. solid B. complete C. light D. close ```

A. solid

Most manufacturers recommend lowering the stabilizers on the UPHILL side of the vehicle first (but some may say the opposite). The stabilizers should be lowered ONLY until solid contact with the ground is made. Lower the _____hill side stabilizers until they raise the downhill side of the truck level with the ___hill side.

- downhill | - uphill

``` Most manufacturers recommend lowering the stabilizers on the UPHILL side of the vehicle first (but some may say the opposite). The stabilizers should be lowered ONLY until solid contact with the ground is made. Lower the downhill side stabilizers until they raise the downhill side of the truck level with the uphill side. Make sure you raise the truck enough to activate the _________, if the apparatus is so equipped. A. brakes B. interlocks C. hydraulic system D. all of the above ```

B. interlocks

Make sure you raise the truck enough to activate the interlocks, if the apparatus is so equipped. (stabilizers) If the interlocks have not activated, it will be necessary to raise ______ (both/one?) side of the truck until they do.

both

On a lateral grade, and after the aerial device is stabilized, it is preferable to operate the aerial device over the ________ (uphill/downhill?) side of the apparatus.

uphill/high

If you have to operate the aerial over the downhill side of a lateral grade, consider lessening the amount of aerial device ex______ and loading, based on manufacturers recommendations.

extension

``` Beware of stabilizer _______ on any type of grade or uneven surfaces, which is dangerous and may occur on wet, icy, or snowy surfaces or when the controls are no operated smoothly. A. braking B. emergencies C. slippage D. retraction ```

C. slippage

On a longitudinal (end to end) grade, if the aerial turntable is not level, the rungs of the aerial device will not be exactly p_____ to the ground if the device is positioned over the s____ of the apparatus.

- parallel | - side

On a longitudinal (end to end) grade, if the aerial turntable is not level, the rungs of the aerial device will not be exactly parallel to the ground if the device is positioned over the side of the apparatus. This will generate lateral and torsional s______ within the structure of the aerial device when it is raised and cause ff to be unsteady while working on it.

stresses

On a longitudinal (end to end) grade, if the aerial turntable is not level, the rungs of the aerial device will not be exactly parallel to the ground if the device is positioned over the side of the apparatus. This will generate lateral and torsional stresses within the structure of the aerial device when it is raised and cause ff to be unsteady while working on it. = destructive to the _________ and very dangerous to ________ working on or around it.

- ladder | - fire fighters

Consult the manufacturers instructions for particular apparatus to determine their maximum longitudinal g______. (because each one has different requirements)

grade

Unless the situation is unavoidable, no not place the apparatus crosswise on a longitudinal grade. TRUE or FALSE

TRUE

On a longitudinal grade, use the stabilizers to l____ the apparatus as much as possible and operate the ARTICULATING device off the r____.

- level | - rear

``` When a pre- ____ (or non-K-braced) apparatus is parked on a longitudinal grade outside of the manufacturer's recommended operating range, do not extend or retract the aerial device over the side of the apparatus. A. 1980 B. 1999 C. 1981 D. 1991 ```

D. 1991

Check with WHOs requirements for aerial device loading on GRADES?

manufacturer's

``` Check with manufacturer's requirements for aerial device loading on GRADES. MOST have restricted loads when operating on grades, some as much as _____ the normal load, and if in the red zone (unsafe load), do not operate the aerial device. A. 1/2 B. 25% C. 1/3 D. 45% ```

A. 1/2

Check with manufacturer's requirements for aerial device loading on GRADES. MOST have restricted loads when operating on grades, some as much as 1/2 the normal load, and if in the _____ (green/red?) zone (unsafe load), do not operate the aerial device.

red

The driver should always place stabilizers on curbs, sidewalks, parking lots, water valve covers or other similar obstructions. TRUE or FALSE

TRUE

``` _____ cause unnecessary unevenness of the stabilizers. A. pads B. curbs C. rocks D. gravel ```

B. curbs

Some concrete construction is not reinforced with _______, so do not place the stabilizers on it.

rebar

``` Stabilizing on unstable surfaces for an aerial should be treated the same as setting up on a _______ incline. A. hilly B. rocky C. lateral D. longitudinal ```

C. lateral

Stabilizing on unstable surfaces for an aerial should be treated the same as setting up on a lateral incline. Lateral incline l______ and ext______ restrictions also apply.

- load | - extension

For stabilization, unpaved roadways, sand or gravel should be av_________.

avoided

Objects that are already damaged or weakened are good candidates for the weight AND the stress that the aerial will put on them. TRUE or FALSE

FALSE - ARE NOT

What should you do instead of deploying the stabilizers on an unsafe OR potentially unsafe surface?

reposition the apparatus

Icy patches and frozen ground are potential _______ areas in cold weather when a driver is setting up for stability on an aerial.

problem

``` Avoid ice when stabilizing because ice reduces the stabilizers ability to make _____ contact with the ground. A. quick B. hard C. good D. solid ```

D. solid

``` One effect of ice melting is the creation of an ____ gap between the stabilizer pad (the large auxiliary surface placed under the shoe) and the ground, compromising the stability of the rig. A. air B. water C. stream D. mud ```

A. air

The large auxiliary surface placed under the shoe of the stabilizer is also known as the.....

stabilizer pad

If the driver stabilizes on frozen ground, the must constantly do THIS to the stabilizers and prepare to lower them further to maximize contact with the ground.

monitor

If the driver stabilizes on frozen ground, the must constantly do monitor the stabilizers and prepare to _______ (lower/raise?) them further to_______ (maximize/minimize?) contact with the ground.

- lower | - maximize

When the ground is f______ solid and the surface is on an angle, the aerial device can m_____ or chatter along the surface due to the combo of vibrations and gravity.

- frozen | - move

``` When the ground is frozen solid and the surface is on an angle, the aerial device can move or ______ along the surface due to the combo of vibrations and gravity. A. slide B. chatter C. skid D. wobble ```

B. chatter

When the ground is frozen solid and the surface is on an angle, the aerial device can move or chatter along the surface due to the combo of vibrations and gravity. Drivers can prevent this by doing what to the wheels?

chocking

``` When the ground is frozen solid and the surface is on an angle, the aerial device can move or chatter along the surface due to the combo of vibrations and gravity. Sand or other friction enhancing products can be carried aboard to assist in secure ______ of the stabilizers. A. stoppage B. extension C. planting D. proping ```

C. planting

Sand or other friction enhancing products can be carried aboard to assist in secure planting of the stabilizers. Use salt as well. FALSE

FALSE - do NOT use salt

Do not use salt to assist in secure planting of the stabilizers on frozen solid ground or snow because it may.....

melt the ice and snow

Once the stabilizers are fully deployed, there is no need to ensure that they are locked and will stay in place. TRUE or FALSE

FALSE - you must be sure

Once the stabilizers are fully deployed, you must ensure that they are locked and will stay in place. On most aerials, the combo of the in______ feature of the selector valve and the hy_____ system holding valves provide automatic locking capabilities.

- interlock | - hydraulic

``` Once the stabilizers are fully deployed, you must ensure that they are locked and will stay in place. On most aerials, the combo of the interlock feature of the selector valve and the hydraulic system holding valves provide automatic locking capabilities.The _______ prevents the flow of hydraulic fluid into or out of the stabilization system while the aerial device is in use. A. locking B. brake C. valves D. interlock ```

D. interlock

``` Once the stabilizers are fully deployed, you must ensure that they are locked and will stay in place. On most aerials, the combo of the interlock feature of the selector valve and the hydraulic system holding valves provide automatic locking capabilities.The interlock prevents the flow of hydraulic fluid into or out of the stabilization system while the aerial device is in use. The holding valves prevent the movement of the fluid within the _________ system. A. stabilization B. hydraulic C. electrical D. transmission ```

A. stabilization

The driver activates the holding valves when stabilizing by moving the selector switch to the ______ position.

aerial

``` The driver activates the holding valves when stabilizing by moving the selector switch to the aerial position. On some OLDER rigs, it may be necessary to set the holding valves BY operating the stabilizer controls _____ in each direction after moving the selector valve to the aerial position. A. twice B. once C. half way D. many times ```

B. once

Many newer rigs are equipped with an indicator ______ that shows when the interlocks are engaged after stabilizing.

light

``` Many newer rigs are equipped with an indicator light that shows when the interlocks are engaged after stabilizing. The apparatus might also be equipped with a _____ gauge level that allows the driver to easily determine if the apparatus has been raised _______. A. lit, stabilized B. pressure, evenly C. site, evenly D. cab, high enough ```

C. site, evenly

What type of stabilizers commonly have a series of holes drilled through the bottom post of the elevating jack designed for the insertion of large steel pins that act as an additional safeguard against inadvertent dropping or drifting of the jack.

box-type stabilizers

``` Box-type stabilizers commonly have a series of holes drilled through the bottom post of the elevating jack designed for the insertion of large steel pins that act as an additional safeguard against inadvertent dropping or _______ of the jack. A. moving B. directing C. sliding D. drifting ```

D. drifting

When the transfer of hydraulic power from the stabilizers to the aerial operation system is complete, (either automatic or with the movement of a switch) the driver is ready to mount the t____table and operate the a_____ device.

- turn | - aerial

``` When pressure releases from the stabilization system, the apparatus often _____ very quickly. Stand clear to avoid being struck by moving parts or being injured as the apparatus resettles. A. drops B. moves C. jumps D. slides ```

A. drops

Whether on level or uneven ground, should the driver always raise the stabilizers following the reverse order by which they were deployed? YES or NO

YES

``` Whether on level or uneven ground, driver should always raise the stabilizers following the reverse order by which they were deployed. Doing this avoids undue _______ on any components of the aerial. A. damage B. stress C. working D. punctures ```

B. stress

What are the pins made of that prevent inadvertent dropping or drifting of the jacks and should always be inserted if equipped?

steel

Once the raising of the stabilizers is complete, return the selector valve to the _________ (off, neutral?) position and _________ (disengage/engage?) the PTO system. Return the pads their appropriate storage location.

- neutral | - disengage

Some ______ pieces of apparatus still in service may be equipped with manual stabilizers.

older

Older midship AND tractor-drawn aerials are most likely to have hydraulic OR manual stabilizers?

manual

What type of stabilizers are similar to box-type hydraulic stabilizers and consist of an extension arm that has a screw jack attached to the end of the arm?

manual stabilizers

``` The primary difference between the box-type hydraulic stabilizers and the manual stabilizers is that the driver must ______ the extension arm into position manually and manually turn the screw jack attached to the arm to lower the stabilizer. A. push B. pull C. swing D. swivel ```

C. swing

``` The primary difference between the box-type hydraulic stabilizers and the manual stabilizers is that the driver must swing the extension arm into position manually and manually turn the _______ attached to the arm to lower the stabilizer. A. bolt B. stabilizer C. boot D. screw jack ```

D. screw jack

``` On midship aerials, the manual stabilizer extension arm is stored __________ to the ground. A. perpendicular B. parallel C. straight D. side ways ```

A. perpendicular

How to place manual midship stabilizer in service: 1. release the ex______ arm pin that holds it in the vertical position 2. lower the arm to the hor______ position 3. reinsert the p__ through the extension beam AND arm 4. position the stabilizer p____ under the jack 5. turn the sc____ portion of the jack to lower it onto the plate/pad 6. when the stabilizer sh___ rests firmly on the pad, repeat the process for the other side

- extension - horizontal - pin - pad - screw - shoe

If the stabilizer lifts off the pad during aerial operations for a MANUAL stabilizer, do not adjust it. This is normal load shifting. TRUE or FALSE

TRUE

Because the suspension alone cannot support the OUTBOARD weight of an EXTENDED aerial device, effective ________ methods are used.

stabilization

Continually review the specifics of the stabilization system and its limitations by reviewing the ________ manual(s) and fire dept. procedures in the _ _ _s.

- operation | - SOPs