» Utah Doubles Triples 1 » Page 2 of 2

CDL DOUBLES TRIPLES PRACTICE TEST UTAH

11. The trolley valve should be used only:
in driving.
in an emergency.
to prevent skids.
to test the trailer brakes.
12. If your trucks has a high center of gravity, which of the following is true for curves?
You should travel at the posted speed limit.
You should slow down, as your truck can roll over at the posted speed limit for the curve.
Reduce your speed to a crawl.
None of the above.
13. While crossing railroad tracks, you should:
stop, then look and listen for the train.
shift up.
not shift gears.
shift down.
14. When preparing to make a right turn, you should NOT turn wide to the left as you start the turn. Why?
A following driver may try to pass you on the right.
It makes the turn harder.
A following driver may try to pass you on the left.
Turning wide to the left can cause your vehicle to tilt.
15. If the air compressor is belt-driven, you should check the air compressor drive belt before each trip. The belt should be:
worn.
tight.
cracked.
loose.
16. Which of the following is not a sign of fatigue?
Yawning repeatedly
Keeping a steady speed
Rubbing eyes
Frequent blinking
17. What factors can cause brakes to fade?
Slippery surfaces and shaded areas.
Excessive heat and brakes out of adjustment.
Dirt roads and in unpaved yards.
Gravel and tar.
18. With an engine fire, you should NOT:
shoot foam from the vehicle’s underside.
turn the engine off as soon as possible.
open the hood.
None of the above.
19. If coolant has to be added to a system without a recovery tank, you should:
turn the radiator cap quickly to the first stop.
wait until the engine has cooled before adding coolant.
never use thick cloth to touch the radiator cap.
keep the engine running while adding coolant.
20. Empty trucks:
have better traction than fully-loaded trucks.
may have poor traction.
require shorter stopping distances than fully-loaded trucks.
None of the above.
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More