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.
What is the purpose of a pre-trip inspection?
2.
Before entering a curve, you should
3.
Drinking alcohol can affect your
4.
Which of the following happens when a tire blows at highway speed?
5.
How many missing or broken leaves in a leaf spring will cause your vehicle to be placed out-of-service?
6.
Which of the following is true about the use of reflective emergency triangles?
7.
While driving you are looking ahead of your vehicle. How should you be looking?
8.
Which of the following statements is true?
10.
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?
11.
If a state or federal inspector judges that your vehicle is unsafe, they will put the vehicle out of service
12.
Bridge formulas are designed to
13.
Use of alcohol can cause serious driving errors, including
14.
When you are driving through construction zones, you should
15.
Shifting gears properly is important because
16.
“Over-the-counter” medication used to treat the common cold
17.
If you are aren’t sure that you have safe space to pass under an object, you should
18.
Which of the following statements about causes of vehicle fires is true?
19.
Can federal inspectors inspect your truck or bus?
21.
Controlled braking is used when
22.
When backing your vehicle, you should
23.
If you break down on a level, straight, four-lane, divided highway, where should you place the reflective warning triangles?
24.
Your vehicle is 40 feet long and you are traveling at 50 mph. The safe following distance is
25.
Water will extinguish which of the following fires?
26.
Which of the following is true about rear drive wheel braking skids?
27.
Which of the following is true?
28.
When you see a hazard in the road in front of you, you should
29.
When driving in fog, you should
30.
When traveling down a long downgrade, you should always
31.
According to the Commercial Driver’s manual, why should you limit the use of your vehicle’s horn?
32.
Which of the following conditions may produce a skid?
33.
As alcohol begins to build up in the body, which of the following is affected first?
34.
Which of the following statements about backing a commercial vehicle to a dock is NOT true?
35.
It you are being tailgated you should
36.
The braking effect of the engine is greatest when
37.
When you are driving at night, you should
38.
The Driver’s Manual says you should use your horn
39.
What three factors add up to the total stopping distance for a commercial vehicle?
40.
Convex (curved) mirrors will
41.
The proper way to load a vehicle is
42.
Which of the following should you NOT do?
43.
Which of the following is a sign of drowsy driving
44.
When fighting a fire, which is most correct?
46.
Placarding, the use of hazardous material placards and labels, is an example of
47.
Why do hazardous materials regulations exist?
48.
Most serious skids are a result of
49.
Which of the following is true concerning cold weather driving?
50.
If you drive through heavy rain or standing water your brakes may get wet. What can this cause when you apply the brakes?
