# Free North Carolina CDL General Knowledge Practice Test 2023

You are looking for actual practice for your coming CDL test? So you have come to the right place. Our NC General Knowledge Practice Test has the same questions as the real exam which is based on the NC CDL Manual. Our CDL practice test pack covers most of the subject areas on the North Carolina General Knowledge Test such as shifting techniques, railroad crossing safety, drunk driving laws, and much more to make you become a safer driver. In addition, each question has a detailed explanation that will help you understand the concept and answer future questions about it correctly. If you don't get the pass right away, don't worry, you can take this practice test an unlimited number of times to make sure you learn all the questions. Our NC CDL Test will refine your driving knowledge so you can earn your CDL and start driving on the roads. Let’s take our practice test now!

Our CDL practice tests:
Based on 2021 NC commercial driver's license manual
Perfect for first-time, renewal applicants
NC CDL General Knowledge Test format:
50 questions
80% passing score
List of questions
1.
When driving at more than 40 mph, what is the safe minimum following distance for ideal daytime conditions?
2.
You can see a marking on a vehicle ahead of you. The marking is a red triangle with an orange center. What does the marking mean?
3.
Which of these statements about managing space to the sides is true?
4.
What violation occurs on the below example?

Day 1

Day 2

5.
Which of these statements is true?
6.
You are inspecting hydraulic brakes. You should pump the brake pedal three times then apply firm pressure to the pedal for five seconds. If the brakes are working properly, the pedal should:
7.
If the cargo is fully contained in a sided vehicle, what is the minimum requirement for withstanding sideways force?
8.
Whenever you double your speed, your vehicle has about how many times of destructive power if it crashes?
9.
You weigh the truck immediately before and after fueling. Based on the following, determine what percentage of the weight goes to each set of axles:

Before fueling:

steer: 10,200, drives: 31,300, gross: 71,700

After fueling:

steer:11,000, drives: 31,500, gross: 72,700

10.
A row of metal coils loaded with eyes lengthwise requires how many direct tiedowns over each side-by-side row or coil?
11.
Is there a 14 hour rule violation on Day 2?
Day 1

Day 2
12.
To stop a drive-wheel skid, you should:
13.
14.
When road lighting is poor or confusing, you should:
15.
All of the following are requirements for transporting coils with eyes crosswise except:
16.
Drivers should be aware that convex mirrors will make reflections look:
17.
How current must your logbook be?
18.
Which of these is true about notifying the authorities after an accident occurs?
19.
What is a rub rail?
20.
In bad weather many drivers tailgate large vehicles. What should you do?
21.
A hazmat endorsement will be denied or canceled if:
22.
You should wear a seat belt in a moving vehicle:
23.
While exiting the vehicle for a 'look', how many points of contact must you keep with the vehicle at all times?
24.
Why should you always plan on arriving to your destination as quickly as possible?
25.
Which of these statements about double clutching and shifting is true?
26.
When securing concrete pipe with a diameter of more than 45 inches loaded crosswise, how many tiedowns are required through each pipe at minimum?
27.
Which of these do not provide extra gears on some trucks?
28.
In cargo securement, the deck is:
29.
What is the minimum WLL required of tiedowns securing loaded intermodal containers on non-chassis vehicles?
30.
In what circumstance can shortwood be treated as longwood?
31.
When loading bell pipe on one tier, all of the following apply except:
32.
When stopping behind another vehicle, a safe gap to leave is one that:
33.
Which of the following is not a requirement of wood used as blocking or bracing?
34.
You are driving a heavy vehicle with a manual transmission. You have to stop the vehicle on the shoulder while driving on an uphill grade. Which of these is a good rule to follow when putting it back in motion up the grade?
35.
When vehicles towing trailers go into a drive-wheel skid, the trailer can push the towing vehicle sideways, causing a:
36.
Controlled braking:
37.
What is the WLL of a 1/2-inch Grade 70 tiedown?
38.
What is low-speed offtracking?
39.
Mirror adjustment can only be checked accurately when:
40.
You are required to inspect your truck within how many miles after beginning the trip?
41.
When backing, all of the following are important safety rules:
42.
What is the minimum nominal dimension of timber blocking used to secure concrete pipe?
43.
What is aggregate working load limit?
44.
All of these are requirements for securing longwood lengthwise except:
45.
Coming down steep, long, downgrades will require a driver to:
46.
What is the maximum ideal angle for an effective direct tiedown?
47.
What kind of extinguisher should be used on burning paper, wood, or cloth?
48.