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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