TENNESSEE CDL AIR BRAKES PRACTICE TEST

16. Before starting down a hill, you should:
release the accelerator and shift to Neutral at the same time.
slow down and shift to a lower gear.
apply the brakes hard.
look for an escape route.
17. The stop light switch:
turns on the brake lights when you put on the air brakes.
tells you when you need to use your parking brake instead of the service brake.
should be used to fend off tailgaters.
warns you when the air supply pressure drops below 55 psi.
18. Typically an air system is fully-charged at:
250 psi
125 psi
75 psi
25 psi
19. On front tires, tread should be at least:
1/16 inch
4/16 inch
4/32 inch
2/32 inch
20. To prevent rollover, you should:
go slowly around turns.
drive slowly around on ramps and off ramps.
keep the cargo as close to the ground as possible.
All of the above.
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More