1.
Which of the following is true about rear drive wheel braking skids?
2.
Why do hazardous materials regulations exist?
3.
Which of the following conditions may produce a skid?
4.
If a state or federal inspector judges that your vehicle is unsafe, they will put the vehicle out of service
5.
What is the purpose of a pre-trip inspection?
6.
“Over-the-counter” medication used to treat the common cold
7.
Controlled braking is used when
8.
Which of the following happens when a tire blows at highway speed?
9.
When driving in fog, you should
10.
If you drive through heavy rain or standing water your brakes may get wet. What can this cause when you apply the brakes?
11.
As alcohol begins to build up in the body, which of the following is affected first?
12.
Bridge formulas are designed to
13.
Water will extinguish which of the following fires?
14.
The Driver’s Manual says you should use your horn
15.
It you are being tailgated you should
16.
Which of the following is true?
17.
Which of the following is true concerning cold weather driving?
18.
Before entering a curve, you should
19.
Which of the following is a sign of drowsy driving
20.
When you are driving through construction zones, you should
22.
Which of the following is true about the use of reflective emergency triangles?
23.
Drinking alcohol can affect your
24.
If you are aren’t sure that you have safe space to pass under an object, you should
25.
If you break down on a level, straight, four-lane, divided highway, where should you place the reflective warning triangles?
26.
Which of the following statements about causes of vehicle fires is true?
27.
You are driving on a straight and level roadway at 60 mph and suddenly a tire blows out on your vehicle. What should you do first?
28.
The braking effect of the engine is greatest when
29.
Your vehicle is 40 feet long and you are traveling at 50 mph. The safe following distance is
30.
Placarding, the use of hazardous material placards and labels, is an example of
31.
When you are driving at night, you should
32.
When fighting a fire, which is most correct?
34.
Which of the following statements about backing a commercial vehicle to a dock is NOT true?
35.
When backing your vehicle, you should
36.
How many missing or broken leaves in a leaf spring will cause your vehicle to be placed out-of-service?
37.
The proper way to load a vehicle is
38.
Which of the following should you NOT do?
39.
What three factors add up to the total stopping distance for a commercial vehicle?
40.
When traveling down a long downgrade, you should always
41.
Use of alcohol can cause serious driving errors, including
42.
Can federal inspectors inspect your truck or bus?
43.
When you see a hazard in the road in front of you, you should
44.
Which of the following statements is true?
45.
According to the Commercial Driver’s manual, why should you limit the use of your vehicle’s horn?
46.
Convex (curved) mirrors will
47.
While driving you are looking ahead of your vehicle. How should you be looking?
48.
Shifting gears properly is important because
50.
Most serious skids are a result of
Great job you’ve finished the General Knowledge CDL Practice test! Please enter your name and email. Your results will be presented on the next page. Feel free to retake the test as many times as you need to.
Worried about passing your CLP exam? As a student of a DRC network school, we’ll give you all of the resources needed to pass each section of the written CDL exam. Not enrolled yet? Learn more by calling 800-391-2754 or apply now.
Name
Email
Are you currently enrolled in CDL School?
Are you interested in receiving more information about our CDL training program?