CDL AIR BRAKES PRACTICE TEST - TEXAS

16. When confronted by an aggressive driver, you should:
make every attempt to get out of their way.
call the police, if you have a cell phone and can do it safely.
avoid eye contact.
All of the above.
17. The low air pressure warning light is usually:
yellow.
red.
blue.
orange.
18. In vehicles with air brakes, water and compressor oil in the bottom of the air tank:
should not be removed.
should be drained completely.
should be added regularly.
None of the above.
19. To make the brakes work, air brakes use:
hydraulic air.
carbon monoxide.
nitrogen.
compressed air.
20. The trailer hand valve should:
never be used to test the trailer brakes.
never be used for parking.
be used in driving.
All of the above.
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