CDL General Knowledge Test 9 – Classic Mode

1. You are starting your vehicle in motion from a stop. As you apply power to the drive wheels, they start to spin. You should:

A Take your foot off the accelerator and apply the brakes.
B Press harder on the accelerator.
C Take your foot off the accelerator.
D Try a lower gear.

2. You should use your mirrors to check:

A Traffic gaps before you merge.
B The condition of the tires and cargo.
C Where the rear of your vehicle is while you make turns.
D All of the above.

3. The proper way to hold a steering wheel is at clock positions ____ and ____.

A 6 and 12
B 3 and 9
C 4:30 and 7:30
D 1:30 and 10:30

4. Cargo inspections:

A Should be performed after every break you take while driving.
B Are only needed if hazardous materials are being hauled
C Not the responsibility of the driver.
D Should be performed every 6 hours or 300 miles.

5. Your brakes can get wet when you drive through a heavy rain. What can this cause when the brakes are applied?

A Lack of braking power
B Trailer jackknife
C Wheel lockup
D All of the above

6. How do you test hydraulic brakes for leaks?

A Measure the free play in the pedal with a ruler.
B With the vehicle stopped, pump the pedal three times, apply firm pressure for 5 seconds, then hold and see if the pedal moves.
C Step on the brake pedal and the accelerator at the same time and see if the vehicle moves.
D Move the vehicle slowly and see if it stops when the brake is applied.

7. Which of these is a good rule to follow when driving at night.

A Keep your instrument lights bright.
B Look directly at oncoming headlights only briefly.
C Keep your speed slow enough that you can stop within the range of your headlights.
D Wear sun glasses

8. A vehicle is loaded with very little weight on the drive axle. What may result?

A Damage to drive axle tires.
B A need to disconnect the steering axle brakes.
C Better handling.
D Poor traction

9. The key principle in balancing cargo weight is to keep the load:

A On the side away from most traffic
B Balanced in the cargo area
C To the front
D To the rear

10. Which of these statements about using mirrors is true?

A There are blind spots that your mirrors cannot show you.
B You should check your mirrors twice for a lane change.
C You should look at a mirror for several seconds at a time.
D Convex mirrors make things look closer than they really are.

End of Test #9

Test Score =