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.
When you are driving through construction zones, you should
3.
Which of the following is true concerning cold weather driving?
5.
Which of the following is true about rear drive wheel braking skids?
6.
What three factors add up to the total stopping distance for a commercial vehicle?
7.
Drinking alcohol can affect your
8.
Which of the following conditions may produce a skid?
9.
The Driver’s Manual says you should use your horn
10.
Can federal inspectors inspect your truck or bus?
11.
Most serious skids are a result of
12.
If you drive through heavy rain or standing water your brakes may get wet. What can this cause when you apply the brakes?
13.
How many missing or broken leaves in a leaf spring will cause your vehicle to be placed out-of-service?
14.
Which of the following should you NOT do?
15.
Which of the following statements about backing a commercial vehicle to a dock is NOT true?
16.
Why do hazardous materials regulations exist?
17.
The proper way to load a vehicle is
18.
If you break down on a level, straight, four-lane, divided highway, where should you place the reflective warning triangles?
19.
If you are aren’t sure that you have safe space to pass under an object, you should
20.
Which of the following is true?
21.
When traveling down a long downgrade, you should always
22.
Which of the following happens when a tire blows at highway speed?
23.
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?
24.
Placarding, the use of hazardous material placards and labels, is an example of
26.
Use of alcohol can cause serious driving errors, including
27.
When you are driving at night, you should
28.
If a state or federal inspector judges that your vehicle is unsafe, they will put the vehicle out of service
29.
Convex (curved) mirrors will
30.
While driving you are looking ahead of your vehicle. How should you be looking?
31.
When you see a hazard in the road in front of you, you should
32.
Bridge formulas are designed to
33.
Shifting gears properly is important because
34.
The braking effect of the engine is greatest when
35.
Your vehicle is 40 feet long and you are traveling at 50 mph. The safe following distance is
36.
Controlled braking is used when
37.
Which of the following statements is true?
38.
Which of the following is true about the use of reflective emergency triangles?
39.
It you are being tailgated you should
41.
Water will extinguish which of the following fires?
42.
What is the purpose of a pre-trip inspection?
43.
When fighting a fire, which is most correct?
44.
Which of the following statements about causes of vehicle fires is true?
45.
When driving in fog, you should
46.
As alcohol begins to build up in the body, which of the following is affected first?
47.
When backing your vehicle, you should
48.
According to the Commercial Driver’s manual, why should you limit the use of your vehicle’s horn?
49.
Before entering a curve, you should
50.
Which of the following is a sign of drowsy driving
