AIR BRAKES CDL PRACTICE TEST - NEVADA

16. The parking or emergency brakes of trucks or buses must be held on by:
hydraulic pressure.
air pressure.
spring pressure.
fluid pressure.
17. Vehicles with ABS have ______ ABS malfunction lamps on the instrument panel.
orange
blue
yellow
green
18. Antifreeze:
doesn't help the engine in any way.
helps the engine only when the temperature is below freezing.
helps the engine only under hot conditions.
helps the engine under hot conditions as well as cold conditions.
19. An ABS system:
gives you more control over the vehicle during braking.
keep your wheels from locking when you brake hard.
helps you avoid skids caused by over braking.
All of the above.
20. The total stopping distance for vehicles with air brake systems is made up of __ different factors.
2
4
3
5
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