CDL Quiz 1

1. Hazardous materials placards are
Signs that help tax collectors determine how much to tax a hazardous cargo.
Signs on the outside of the vehicle that identify the hazard class of the cargo.
Signs on the inside of the vehicle that remind the driver of what he or she is carrying.
Signs that warn the public to stay at least 1,000 feet away from the vehicle.

2. If you feel drowsy while driving, what should you do?
Drink energy drinks.
Pull off the road and get some sleep.
Drink a cup of coffee.
Open the windows for some fresh air.

3. What will help a drunk sober up?
Fresh air
A glass of water

4. If you are traveling at 55 mph in a 30-foot vehicle, you should leave how many seconds of following distance?
3 seconds
4 seconds
7 seconds
6 seconds

5. Do empty trucks have the best braking?
Yes, but only on wet surfaces.
Yes, but only if the trucks are newer than 1998.

6. In which of the following two situations should you downshift?
Starting down a hill and finishing a curve
Starting up a hill and finishing a curve
Starting down a hill and entering a curve
Starting up a hill and entering a curve

7. What can you do at an accident scene to help avoid another accident?
Leave your vehicle, do nothing, and get to higher ground.
Have a drink to calm your nerves.
Stay in your vehicle and do nothing until help arrives.
Set out warning devices to keep other vehicles from running into the accident scene.

8. Which is NOT one of the four skill areas that operating a commercial vehicle requires?
Backing safely
First-aid certification

9. An anti-lock braking system (ABS) will
Increase your vehicle’s stopping power.
Keep your brakes from locking when you brake hard.
Shorten your stopping distance.
Let you drive faster.

10. Total stopping distance is a combination of
Reaction distance + braking distance.
Reaction distance + viewing distance + braking distance.
Braking distance + stopping distance.
Erception distance + reaction distance + braking distance.

11. The minimum tread depth for front tires is
1/32 inch.
1/2 inch.
4/32 inch.
3/8 inch.

12. When you inspect the front of your vehicle as part of the walkaround inspection, which of the following do you NOT check?
The air pressure gauge
The condition of your front axle
The steering mechanism for possible looseness
All of the above

13. Letting the air out of hot tires
Is a bad idea because when the tires cool off, the pressure will be too low.
Is a good idea because the extra pressure will be relieved.
Will cool them down. You will be able to continue your journey sooner.
Will have no effect at all.

14. Before transporting a sealed load, you must check
A small sample of whatever is inside.
That you don’t exceed gross weight and axle weight limits.
A Picture of whatever is inside.
All of the above.

15. Which of the following can cause a vehicle fire?
Spilled fuel cleaned up quickly and properly
Driver smoking in a rest area
Short circuits and loose connections
Flammable cargo with proper ventilation

16. How can you determine if your vehicle is equipped with an anti-lock braking system (ABS)?
Check for a yellow ABS malfunction lamp on the instrument panel.
Look for wheel speed sensor wires that are coming from the rear of your brakes.
Check if your vehicle was manufactured after March 1, 1998. (Such vehicles are required to have the panel light.)
All of the above can work.

17. You should put the starter switch key into your pocket while you are performing the pre-trip inspection because
It could damage the steering mechanism.
Someone could start and move the truck.
It could damage the starting mechanism.
Any of the above could occur.

18. You should inspect wheel bearing seals for
Broken leaf springs.
Twisted axles.

19. What might happen if you swing wide to the left before you turn right?
Someone might try to pass you on your right.
Someone might try to pass you on your left.
You might damage your leaf springs.
Any of the above might happen.

20. Which of the following is NOT true about an escape ramp?
It may be located a few miles from the top of a downgrade.
It is of no use if you are traveling too fast.
It may be made of soft gravel.
It may turn uphill.