CDL Practice Test (2024) - FREE IA CDL General Knowledge Test

1. Transporting livestock requires special attention. Why?

Because livestock can move around in a trailer.
Because livestock can lean on curves.
All of the above.

2. ABS will:

increase your average speed.
shorten your stopping distance.
not change your normal braking capability.

3. When traction is poor, as in rain or snow, you should speed up very gradually. If you don't:

you could lose control.
you will exceed the speed limit.
the brakes will not work.

4. In which of the following situations should you check your mirrors more often?

When driving on a single lane road.
When driving on a narrow road.
When changing lanes or merging.

5. A cardboard box on the road:

may contain some solid material capable of causing damage.
will never damage vehicle parts if driven over.
is likely to be empty and should not be considered a hazard.

6. Drivers who must stop on a road or the shoulder of any road must put out their emergency warning devices within:

7. During a pre-trip inspection, you discover a power steering leak. You should:

report the problem and make arrangements to use another vehicle.
report the problem after your trip and try to stay on schedule.
report the problem and start your trip, driving slower than normal.

8. How can you avoid rolling back when you start your vehicle?

Accelerate quickly so the vehicle does not jerk.
Partly engage the clutch before you take your right foot off the brake.
Use stab braking before you engage the clutch.

9. Name two situations in which it may not be safe to operate your vehicle at legal maximum weights.

In heavy traffic or at night
During bad weather or in mountains
Over bridges or through tunnels

10. Controlled braking:

involves locking the wheels and then releasing the brakes.
must be used when you need to turn sharply while braking.
can be used to keep your vehicle in a straight line and allow you to turn if necessary.

CDL PRACTICE TEST (IA) - GENERAL KNOWLEDGE TEST