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.
If you are aren’t sure that you have safe space to pass under an object, you should
2.
The proper way to load a vehicle is
3.
Most serious skids are a result of
4.
Which of the following is true about rear drive wheel braking skids?
5.
Which of the following happens when a tire blows at highway speed?
6.
As alcohol begins to build up in the body, which of the following is affected first?
7.
If you break down on a level, straight, four-lane, divided highway, where should you place the reflective warning triangles?
8.
Which of the following statements is true?
9.
“Over-the-counter” medication used to treat the common cold
10.
If a state or federal inspector judges that your vehicle is unsafe, they will put the vehicle out of service
11.
Shifting gears properly is important because
12.
The braking effect of the engine is greatest when
13.
Why do hazardous materials regulations exist?
14.
What is the purpose of a pre-trip inspection?
15.
It you are being tailgated you should
16.
When backing your vehicle, you should
17.
If you drive through heavy rain or standing water your brakes may get wet. What can this cause when you apply the brakes?
19.
Use of alcohol can cause serious driving errors, including
20.
Which of the following statements about causes of vehicle fires is true?
21.
Water will extinguish which of the following fires?
22.
Before entering a curve, you should
23.
When you are driving through construction zones, you should
24.
Your vehicle is 40 feet long and you are traveling at 50 mph. The safe following distance is
25.
While driving you are looking ahead of your vehicle. How should you be looking?
26.
Controlled braking is used when
27.
Which of the following is true concerning cold weather driving?
28.
What three factors add up to the total stopping distance for a commercial vehicle?
30.
Can federal inspectors inspect your truck or bus?
31.
Which of the following is a sign of drowsy driving
33.
The Driver’s Manual says you should use your horn
34.
Convex (curved) mirrors will
35.
When traveling down a long downgrade, you should always
36.
When fighting a fire, which is most correct?
37.
How many missing or broken leaves in a leaf spring will cause your vehicle to be placed out-of-service?
38.
Bridge formulas are designed to
39.
According to the Commercial Driver’s manual, why should you limit the use of your vehicle’s horn?
40.
When you are driving at night, you should
41.
Which of the following is true?
42.
Which of the following is true about the use of reflective emergency triangles?
43.
Which of the following statements about backing a commercial vehicle to a dock is NOT true?
44.
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?
45.
Which of the following conditions may produce a skid?
46.
Placarding, the use of hazardous material placards and labels, is an example of
47.
Which of the following should you NOT do?
48.
When you see a hazard in the road in front of you, you should
49.
Drinking alcohol can affect your
50.
When driving in fog, you should
