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AO Study Program Carlos Cativo > Air Brake System > Flashcards

Air Brake System Flashcards

1
Q

Braking System: Equipped with a dual circuit air brake (______ & _____) system

A

Primary
Secondary

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2
Q

Braking System: Antilock Braking System ______ TO ______

A

2000 to 2016

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3
Q

Braking System: Auxiliary front axle parking brake system on ______ to ______

A

2000 to 2016

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4
Q

Braking System: If service brakes alone are used to control vehicle speed, excess heat may be developed causing ______ ______

A

Brake Fade

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5
Q

Braking System: Apply the brakes in short durations of ___ to ___ seconds rather than a continuous application to reduce possibility of brake fade

A

5 to 10

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6
Q

Braking System: LTI - When applying the brakes it is recommended that a ______, constant pressure be applied to the brake pedal

A

Firm

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7
Q

Braking System: LTI - No _______ the brake pedal because it may deplete the brake systems air reservoir supply

A

Pumping

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8
Q

Braking System: The ______ ______ (NFPA Recommendation) allows the vehicle to be driven even though the the front brake section may not have sufficient air pressure.

A

Quick Buildup

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9
Q

Braking System: Front axle and the rear axle brake circuits are each supplied air by separate air ________

A

Reservoirs

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10
Q

Braking System: Safe operation is between ___ & ___ PSI

A

90 & 120

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11
Q

Braking System: Secondary system supplies air to the ______ axle & Primary system supplies air to the _____ axle

A

Front
Rear

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12
Q

Braking System: When pressure drops below approximately ___ PSI (LTI) and ___ PSI (Pierce) a warning buzzer & light will come on

A

65
60

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13
Q

Braking System: As soon as system air pressure increases past ___-___ PSI, the warning light & buzzer will shut-off

A

65-75

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14
Q

Braking System: LTI air gauge is located on the _____ side of the dash. Primary indicated by ______ needle & Secondary indicated by ______ needle

A

Right
White
Red

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15
Q

Quick buildup allows pressure to be built up in the ______ brake tanks first to enable release of the parking brakes before the pressure in the front tanks are adequately charged

A

Rear

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16
Q

Braking System: In an emergent situation, operator discretion must b used as to the need to operate the apparatus when there is less than ___ PSI air pressure in both brake circuits

A

90

17
Q

Braking System: Use extreme caution when operating less than ___PSI

A

60

18
Q

Braking System: Antilock Brake System 00’-16’ is integral to the air brake system and therefore cannot be turned off or overridden. There is no ___ or ___ switch for the ABS

A

On or Off

19
Q

Braking System: When the ABS applies the Telma Retarder is automatically ________

A

Deactivated

20
Q

Braking System: Spring brakes are located on the ______ axle

A

Rear

21
Q

Braking System: Parking brake circuit is intended to hold vehicle in a parked position only and should ______ be used for normal driving

A

NEVER

22
Q

Braking System: If air pressure is reduced to approximately ___ PSI in both systems, the spring brake valve will automatically apply

A

40

23
Q

Braking System: When parking apparatus always ______ the wheels; Department policy is always when on scene

A

Chock

24
Q

Braking System: Removes moisture & contaminants rom pressurized air, which comes from ________ before it reaches air reservoirs

A

Compressor

25
Q

Braking System: Replace Air Dryer every ______ year; Pierce replace every ___ to ___ years

A

Other
2 to 3

26
Q

Braking System: Auxiliary Front Wheel Locks 00’-16’ uses air brake system ___ to keep the front brake applied

A

PSI

27
Q

Braking System: Auxiliary Front Wheel Locks 00’-16’ If there is an air leak in the air brake system the Aux. front wheel lock may fail, therefore ONLY use when engine is ______

A

Running

28
Q

Braking System: DO NOT use ________ ______ because it will not provide adequate lubrication

A

Lithium Grease

29
Q

Braking System: S & M lube during _______ ladder test & ______ replacement

A

Annual
Brake

30
Q

Low speed switch deactivates when?

A

2 to 3mph

AO Study Program Carlos Cativo (154 decks)

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