CDL GENERAL KNOWLEDGE TEST (SOUTH DAKOTA) - PRACTICE TEST

11. If your truck catches fire, the first thing you should do is to:
get the vehicle off the road and park near other vehicles.
get off the vehicle, open the hood and start shooting foam to keep the engine cool.
pull off the road and park in an open area.
pull into a service station and call for help.
12. If stopped on a hill, how can you start moving without rolling back?
Press on the gas pedal, even if you have to roll back a little.
Partly engage the clutch before you take your right foot off the brake, put on the parking brake if necessary.
Release the parking brake before you have applied enough engine power to keep from rolling back.
None of the above.
13. You should you NOT sound your horn:
to alert another driver to a potential problem.
to tell other drivers that they made a mistake.
to alert another driver to your presence.
to warn a pedestrian who may not have seen you.
14. Which of the following will not prevent distracted driving?
Clearing the vehicle of any unnecessary objects.
Pre-programming radio stations.
Planning your route before you begin driving.
Using your phone only when there is no traffic around you.
15. Skids happen whenever:
the weight limit is exceeded.
dual tires come in contact with each other.
ABS is not working.
tires lose their grip on the road.
16. If you recognize a distracted driver on the road, you should:
follow them closely.
flash your brake lights at them.
try to pass them.
give them plenty of room.
17. _______ is the distance your vehicle travels, in ideal conditions, from the time you see a hazard until your brain recognizes it.
Total stopping distance
Reaction distance
Braking distance
Perception distance
18. Having ABS on only the trailer:
makes the trailer more likely to roll over.
still gives you more control over your vehicle during braking.
makes the trailer more likely to swing out.
is very dangerous.
19. To test the parking brake:
turn off the engine.
gently try to pull forward with the parking brake on.
check that all shut-off valves are in the open position.
step on and off the brake pedal to reduce air pressure.
20. Which of these is true about the radiator shutters and the winterfront?
You should remove ice from the radiator shutters.
You should make sure the winterfront is closed tightly.
If the winterfront is left open, the engine may overheat.
All of the above.
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