Chapter 5 Aerial Apparatus Driver/operator

Front 1

What is one of the most critical aspects of a aerial apparatus driver/operator's responsibilities?

Back 1

The ability to safely control and maneuver the aerial apparatus.

Front 2

The angle formed by level ground and a line from the point where the front tires touch the ground to the lowest projection at the front of the apparatus.

Back 2

Angle of Approach

Front 3

The angle formed by level ground and a line from the point where the rear tires touch the ground to the lowest projection at the rear of the apparatus.

Back 3

Angle of Departure

Front 4

The angle formed by level ground and a line from the point where the rear tires touch the groundto the bottom of the frame at the wheelbase midpoint.

Back 4

Breakover Angle

Front 5

During braking, why is it important to not disengage the clutch until the last few feet of travel, especially on slippery surfaces?

Back 5

Because a clutch-engaged engine allows more control of the apparatus.

Front 6

Why should the engine never be deavtivated while the apparatus is in motion?

Back 6

Because it cuts off fuel flow from the injector and fuel flow through the injectors is required to lubricate the injector plungers, also this can cause pressure build up behind te shutoff valve and prevent it from opening.

Front 7

Shutting down and engine wihout allowing a cooldown period can result in what?

Back 7

- Immediate increase of engine temperature from lack of coolant circulation.
- Oil film "burning" on hot surfaces.
- Possible damage to heads and exhaust manifolds.
- Possible damage to the turbocharger that can result in turbo siezure.

Front 8

Sum total of the driver/operator's reaction distanceand the vehicle's braking distance.

Back 8

Total Stopping Distance

Front 9

Distance a vehicle travels while the driver is moving their foot from the accelerator to the brake pedal when evasive action is needed.

Back 9

Reaction Distance

Front 10

Distance the vehicle travels from the time the brakes are applied to the moment the vehicle comes to a full and complete stop.

Back 10

Braking Distance

Front 11

What are a number of factors that influence a driver/operator's ability to stop an apparatus?

Back 11

- Condition and slope of the driving surface.
- Speed of travel
- Weight of the vehicle
- Type and condition of the vehicle's tires and braking system.

Front 12

The most common causes of skids involve driver errors which include what?

Back 12

- Driving too fast for road conditions.
- Failing to properly appreciate weight shifts of heavy apparatus.
- Failing to anticipate obstacles.
- Improper use of auxiliary braking devices.
- Improper maintenance of tire air pressure and adequate tread depth.

Front 13

Frictionless braking systems are connected to either thr driveshaft or the rear axle of the vehicle and can be programmed to activate in what ways?

Back 13

- When the driver/operator removes his foot from the accelerator.
- Steps on the brake pedal.
- Manual selector lever mounted on the steering column.
- Switch on the dash or overhead console.

Front 14

Under normal conditions, a frictionless brake system does not activate at speeds under what?

Back 14

2 mph

Front 15

If an intersection has no signal at all what should a driver operator do before proceeding through?

Back 15

Bring the apparatus to a full stop before proceedig slowly to see around any obstruction to ensure clear view of any traffic in either direction.

Front 16

Snow chains lose their effectiveness in snow deeper than 3-6 inches depending on wha two things?

Back 16

- The consistancy of the snow.
- When vehicle is moving at slow speeds or in reverse.

Front 17

In some instances, ncreasing the speed of an apparatus by only 20 mph can decrease th audible distance f the siren by ___ feet or more.

Back 17

250 feet

Front 18

Tiller operators need to be particularly aware of what factors?

Back 18

- Distance of the trailer from the base of the building involved.
- Angle of trailer placement in regard to the position of the tractor.
- Proper overhead clearance.
- Side and rear obstructions.
- Grades and slopes of the working area.

Front 19

When moving forward while operating a tiller, if both hands are near the top of the steering wheel, the rear of the trailer will move what direction in relation to your hands?

Back 19

The rear of the trailer will move in the same direction the hands are moved.

Front 20

Where should the tiller operators hands be while the apparatus is moving forward?

Back 20

At the top of the steering wheel.

Front 21

Keep in mind that he driver of the tractor only steers the apparatus to where it needs to go. What does the tiller operator manage?

Back 21

The rest of the vehicle regardless of the space or hazards present.

Front 22

When the trailer and cab are at less than a 90 degree angle to one another while in motion or static.

Back 22

Jackknifing

Front 23

Where should the tiller operator's hands be positioned during backing operations?

Back 23

The 3 o'clock and 9 o'clock positions.

Front 24

When backing, the tiller operator should place their hands toward the bottom of the steering wheel, which will cause the trailer to move what direction in relation to their hands?

Back 24

The trailer will move in the same direction as their hands.