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Air Brake Test

Before starting your low alarm warning device ensure air brake pressure is above.

621kpa

627kpa

619kpa

628kpa

For low air alarm warning device test the buzzer should alarm at a minimum of what kpa?

380kpa

383kpa

372kpa

383kpa

For the air pressure build up time lower the pressure to below what?

552kpa

557kpa

547kpa

559kpa

To test the air pressure build up time run the engine at what rpm’s

600rpm-900rpm

700rpm-800rpm

800rpm-900rpm

600rpm-800rpm

For air pressure build up time you should observe and time its takes the engine to build from __kpa to __kpa

587kpa to 690kpa

592kpa to 690kpa

587kpa to 687kpa

690kpa to 787kpa

The air pressure build up should take no longer than __ or it’s defective?

2 Minutes

1 Minute

3 Minutes

130 Seconds

Cut-out pressure must be between __kpa and __kpa or else it’s defective.

690kpa and 930kpa

690kpa and 840kpa

720kpa and 930kpa

670kpa and 920kpa

What is the minimum pressure of an effective Cut-in pressure

552kpa

557kpa

547kpa

559kpa

When testing the air loss rate how long should you hold the brake in the fully applied position?

1 Minute

50 Seconds

40 Seconds

30 Seconds

Air brakes are defective if the system loses more than __kpa in one minute

21kpa

23kpa

25kpa

3kpa

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