CDL PRACTICE TEST (CA) - GENERAL KNOWLEDGE TEST

11. Even if you are not required to always stop at railroad crossings and you are sure no train is approaching, you must stop before reaching the crossing if:
you can drive completely through the crossing without stopping.
there is oncoming traffic.
the tracks are not clear.
12. Which of the following is NOT a correct action in the event of brake failure?
Looking for an escape route.
Using the parking brake.
Weaving from side to side to slow down.
13. Name a common cause of tire fires.
Under-inflated tires
Driver smoking
Overinflated tires
14. The Johnson bar is a valve that:
works the trailer brakes.
is installed in the first tank the air compressor pumps air to.
reduces the braking pressure to a safe level.
15. When backing you should:
back and turn toward the right side.
avoid making pull-ups to reposition your vehicle.
use driver-side backing.
16. Which of the following is considered a serious traffic violation?
Following a vehicle too closely
Reckless driving
All of the above
17. Which of the following statements about staying alert while driving is true?
Drinking a cup of coffee will do more to keep you alert than a 20 minute nap.
Some drugs can overcome fatigue.
None of the above.
18. When driving in very hot weather, you may have to:
increase your speed until the tires cool off.
decrease your following distance.
reduce your speed to prevent overheating.
19. To avoid becoming an aggressive driver you should:
give other drivers the benefit of the doubt.
give other drivers your full attention.
make gestures to other drivers.
20. If an aggressive driver is involved in an accident down the road, you should:
stop a safe distance from the accident scene, wait for the police and report the behavior you witnessed.
confront the aggressive driver.
try to get their vehicle to the side of the road.
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