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IFSTA driver > Chapter 3 > Flashcards

Chapter 3 Flashcards

1
Q

What is NFPA 1582

A

Standard on comprehensive occupational medical program for fire departments, eye test and hearing test are included in this

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2
Q

Where is the most common place for a collision to occur?

A

At an intersection

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3
Q

What are the seven basic causes that fire apparatus collisions are grouped into?

A

Improper backing, reckless driving, excessive speed, lack of driving skill and experience, overloading and misuse, mechanical failure, driver operator personal readiness

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4
Q

What type of collision generally accounts for a significant percentage of all damage repair cost?

A

Backing accidents

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5
Q

Per NFPA ___ must ffs don their protective gear before getting into the apparatus, with the exception of their helmets?

A

Nfpa 1500

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6
Q

When loading hose on apparatus, what is the way drivers should go about doing so?

A

Driving the apparatus in a forward direction, straddling the hose or to one side of the hose, and at a speed no greater than 5mph. No members should be allowed to stand on any portion of the apparatus while the vehicle is in motion.

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7
Q

When loading hose on apparatus, what is the way drivers should go about doing so?

A

Driving the apparatus in a forward direction, straddling the hose or to one side of the hose, and at a speed no greater than 5mph

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8
Q

Can parked regeneration be initiated during pumping operations?

A

No

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9
Q

After a driver/operator continues to ignore an empty DEF tank, the apparatus may?

A

Be limited in speed to 5mph and will need service from the dealer.

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10
Q

What should the driver operator do after a full load operation or when the temperature gauge indicates that the engine is overheated?

A

The driver operator should never shut down the engine after either. The driver operator should allow 3-5 min idling to get the engine to cool to the normal operating temperature.

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11
Q

What is essential that it occurs at the start of each shift, or any time the driving responsibility changes from one individual to another?

A

Mirror adjustments

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12
Q

What is the break over angle?

A

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 wheelbase midpoint

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13
Q

After loading apparatus with all equipment and personnel it should be weighed to make sure of what?

A

That the axle loading is balanced within 7% from side to side and within the axle weight ratings front-to-back

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14
Q

What should driver/operators recognize about bridges, northern slopes of hills, as well as areas prone to blowing and drifting snow?

A

That these areas may become slippery more easily

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15
Q

What should fire apparatus driver/ operators never assume? Especially if fire apparatus are responding in convoy.

A

Must never assume another drivers actions

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16
Q

How must driver/operators always drive?

A

With regard for general motoring public

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17
Q

What must driver/operator do at intersections controlled or stop signs?

A

Must come to a complete stop

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18
Q

At speeds above __ an emergency vehicle may outrun the effective range of its audible warning devices?

A

Above 50 mph

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19
Q

When more than one emergency vehicle is responding along the same route, they should travel at least how far apart?

A

300-500 ft apart

20
Q

Braking distance is?

A

The distance the vehicle travels from the time the brakes are applied until the apparatus comes to a complete stop

21
Q

Total stopping distance is?

A

The sum of the driver/operators reaction distance and vehicles braking distance

22
Q

Reaction distance is?

A

Distance a vehicle travels while a driver transfers foot from the accelerator to the brake pedal after perceiving the need for stopping

23
Q

Nfpa 1901 requires all apparatus with a GVWR of ___ or greater be equipped with an auxiliary braking system.

A

36,000 lb

24
Q

What are the four types of Auxiliary brakes

A

Exhaust brake, engine compression brake, transmission output retarder, electromagnetic retarder

25
Q

How do Exhaust brakes works?

A

Uses a valve to restrict the flow of the exhaust, which creates back pressure that adds to the engines inherent braking ability

26
Q

How do engine compression brakes work?

A

Electronically-actuated mechanical system added to the engine valve train. It converted mechanical energy of the vehicle into heat by compressing the engine intake air and then discharging the pressure to the atmosphere through the exhaust. It has no impact on engine temperature.

27
Q

How does electromagnetic retarders work?

A

An electromagnetic field is created by supplying electrical power to a series of coils in the retarder. This field inhibits the rotation of the rotor and creates a breaking torque at the rear wheels. They are less effective at higher temperatures

28
Q

How do transmission retarders work?

A

Uses the viscous property of the automatic transmission fluid to retard the driveline. Transmission fluid is introduced into the retarder housing and energy absorbed into the fluid through opposing action of spinning vanes.can provide high braking capacity but are limited in high ambient environments by the capacity of the vehicle cooling system

29
Q

How does automatic traction control work?

A

Automatically reduces engine torque and applies the brakes to wheels that have lost traction and begin to spin. Be careful when using mud/snow switch, if apparatus gains traction suddenly axle damage may occur.

30
Q

When can the Driver controlled differential lock be engaged?

A

Either when the vehicle is stationary or moving.

31
Q

What does the driver controlled differential lock do?

A

When engaged both wheels are forced to turn at the same speed, resulting in the differential being locked to maximize traction. The vehicle may want to move straight or hear tires scrubbing. When conditions improve disengage to prevent drive line damage, tire wear, and maximize vehicle control.

32
Q

What is interaxle differential lock?

A

Locks out the interaxle differential action between the rear tandem driving axles creating one solid drive line between the rear axles. Each axle receives full torque from the engine. Do not activate this switch while one or more wheels are actually slipping or spinning

33
Q

What roll over feature is integrated into the ABS system?

A

Roll stability control

34
Q

What is roll stability control?

A

A lateral accelerometer that senses when the side force caused by cornering approaches the roll over threshold. It becomes active when the ABS computer senses an imminent rollover condition. The computer first decreasing engine torque, if the vehicle has a compression brake the driver will feel additional deceleration as the retarder is applied. And finally the computer may apply the service brakes at the wheels.

35
Q

Which system is more capable ESC/ESP or RSC?
Electronic stability control
Roll stability control

A

ESC/ESP

36
Q

What does Electronic stability control do?

A

It applies the brakes independently to aim the vehicle in the direction that the operator positions the steering wheel. It also reduces engine power until control is regained

37
Q

Does ESC or RSC improve a vehicles cornering performance?
Electronic stability control
Roll stability control

A

No

38
Q

What should the driver operator do anytime they lose sight of the spotters or feels unsafe?

A

Stop, set parking brake, get out of the apparatus and check that everyone involved understands the plan for backing the apparatus

39
Q

Where should the spotter be positioned?

A

Preferably in the left (drivers) side mirror approximately 8-10 ft behind and slightly to the left of the apparatus

40
Q

What should the driver operator do to improve safety of the working environment around the apparatus with regard to compartment doors?

A

Always close the doors to reduce the potential for personnel to be injured from accidentally walking into doors left open

41
Q

What should you make sure of when working on, around, or under apparatus?

A

Always have a second person present

42
Q

Personnel operating on top of apparatus should?

A

Wear ppe including helmets according to local policy

43
Q

What does nfpa 1901 specify?

A

Any equipment not needed while driving to the scene must be secured in brackets or contained in a storage cabinet.

44
Q

Brackets of cabinets must be capable of restraining equipment of up to how many times the equipments weight?

A

Up to 10 times

45
Q

What should the driver/ operator do about equipment stored in the cab?

A

Minimize the amount of equipment stored in the cab, and make sure that equipment is secured prior to placing the apparatus in motion

46
Q

What should you always make sure of before attempting to remove any inlet or discharge cap?

A

Making certain there is no trapped pressure. Do not stand in front of the cap

47
Q

What should you always make sure of before attempting to remove any inlet or discharge cap?

A

Making certain there is no trapped pressure

IFSTA driver (19 decks)

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