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.
2.
If you are aren’t sure that you have safe space to pass under an object, you should
3.
Which of the following is true about the use of reflective emergency triangles?
4.
Before entering a curve, you should
5.
Which of the following happens when a tire blows at highway speed?
6.
Which of the following is true about rear drive wheel braking skids?
7.
As alcohol begins to build up in the body, which of the following is affected first?
8.
Which of the following is true?
10.
According to the Commercial Driver’s manual, why should you limit the use of your vehicle’s horn?
11.
“Over-the-counter” medication used to treat the common cold
12.
Which of the following statements about backing a commercial vehicle to a dock is NOT true?
13.
Drinking alcohol can affect your
14.
If a state or federal inspector judges that your vehicle is unsafe, they will put the vehicle out of service
15.
Which of the following is true concerning cold weather driving?
16.
Bridge formulas are designed to
17.
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?
19.
When backing your vehicle, you should
20.
When you are driving at night, you should
21.
What three factors add up to the total stopping distance for a commercial vehicle?
22.
How many missing or broken leaves in a leaf spring will cause your vehicle to be placed out-of-service?
23.
What is the purpose of a pre-trip inspection?
24.
When you are driving through construction zones, you should
25.
If you drive through heavy rain or standing water your brakes may get wet. What can this cause when you apply the brakes?
26.
Which of the following conditions may produce a skid?
27.
When traveling down a long downgrade, you should always
28.
Use of alcohol can cause serious driving errors, including
29.
Your vehicle is 40 feet long and you are traveling at 50 mph. The safe following distance is
30.
Which of the following statements about causes of vehicle fires is true?
31.
While driving you are looking ahead of your vehicle. How should you be looking?
32.
When fighting a fire, which is most correct?
33.
Which of the following is a sign of drowsy driving
34.
The proper way to load a vehicle is
35.
If you break down on a level, straight, four-lane, divided highway, where should you place the reflective warning triangles?
36.
When you see a hazard in the road in front of you, you should
37.
Controlled braking is used when
38.
Placarding, the use of hazardous material placards and labels, is an example of
39.
The Driver’s Manual says you should use your horn
40.
Which of the following should you NOT do?
41.
Why do hazardous materials regulations exist?
42.
Shifting gears properly is important because
43.
It you are being tailgated you should
44.
The braking effect of the engine is greatest when
45.
Can federal inspectors inspect your truck or bus?
46.
Most serious skids are a result of
47.
When driving in fog, you should
48.
Which of the following statements is true?
49.
Convex (curved) mirrors will
50.
Water will extinguish which of the following fires?
