The CDL General Knowledge practice test covers topics such as the rules of having a CDL and driving a commercial vehicle safety. Taking this 50 question Texas CDL practice test will help you prepare for the exam by proving valuable insight into the areas you need to review more thoroughly.
1.
“Over-the-counter” medication used to treat the common cold
2.
Which of the following should you NOT do?
3.
Most serious skids are a result of
4.
Shifting gears properly is important because
5.
When you are driving through construction zones, you should
6.
When driving in fog, you should
7.
Convex (curved) mirrors will
8.
Water will extinguish which of the following fires?
9.
If you are aren’t sure that you have safe space to pass under an object, you should
10.
If you break down on a level, straight, four-lane, divided highway, where should you place the reflective warning triangles?
11.
The proper way to load a vehicle is
14.
As alcohol begins to build up in the body, which of the following is affected first?
15.
If a state or federal inspector judges that your vehicle is unsafe, they will put the vehicle out of service
16.
Controlled braking is used when
17.
Which of the following conditions may produce a skid?
18.
Which of the following is true?
19.
Which of the following statements about backing a commercial vehicle to a dock is NOT true?
20.
The braking effect of the engine is greatest when
21.
Which of the following happens when a tire blows at highway speed?
22.
What is the purpose of a pre-trip inspection?
23.
Which of the following is true about rear drive wheel braking skids?
24.
Which of the following is true concerning cold weather driving?
25.
When you are driving at night, you should
26.
If you drive through heavy rain or standing water your brakes may get wet. What can this cause when you apply the brakes?
27.
Which of the following statements about causes of vehicle fires is true?
28.
It you are being tailgated you should
29.
Drinking alcohol can affect your
30.
Why do hazardous materials regulations exist?
31.
When you see a hazard in the road in front of you, you should
32.
When traveling down a long downgrade, you should always
33.
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?
34.
Bridge formulas are designed to
35.
Which of the following is a sign of drowsy driving
37.
What three factors add up to the total stopping distance for a commercial vehicle?
38.
Use of alcohol can cause serious driving errors, including
39.
When backing your vehicle, you should
40.
Before entering a curve, you should
41.
Placarding, the use of hazardous material placards and labels, is an example of
42.
When fighting a fire, which is most correct?
43.
Which of the following is true about the use of reflective emergency triangles?
44.
Which of the following statements is true?
45.
The Driver’s Manual says you should use your horn
46.
While driving you are looking ahead of your vehicle. How should you be looking?
47.
How many missing or broken leaves in a leaf spring will cause your vehicle to be placed out-of-service?
48.
Your vehicle is 40 feet long and you are traveling at 50 mph. The safe following distance is
49.
Can federal inspectors inspect your truck or bus?
50.
According to the Commercial Driver’s manual, why should you limit the use of your vehicle’s horn?
