Free District of Columbia CDL General Knowledge Practice Test 2022

You are looking for actual practice for your coming CDL test? So you have come to the right place. Our DC General Knowledge Practice Test has the same questions as the real exam which is based on the DC CDL Manual. Our test covers most of the subject areas on the District of Columbia 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 DC CDL practice test an unlimited number of times to make sure you learn all the questions. Our tests will refine your driving knowledge so you can earn your CDL and start driving on the roads. Let’s take our free CDL practice test now!

Our CDL practice tests:
Based on 2022 DC commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
DC CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
List of questions
1.
What are the Federal standards for the gross vehicle weight of a 5 axle commercial vehicle?
2.
Why should you try to move to your right when steering in an emergency?
3.
Weight transmitted to the ground by one axle or one set of axles called:
4.
The North American Cargo Securement Standard cover vehicles weighing:
5.
Securing cargo on a flatbed trailer is typically done using:
6.
If the cargo is fully contained in a sided vehicle, what is the minimum requirement for withstanding sideways force?
7.
Cargo with a high center of gravity:
8.
Which of the following is not a method of securing side-by-side cargo?
9.
In cargo securement, a 'well' is defined as:
10.
On which of the below logs did a violation occur?

Day 1



Day 2

11.
When securing rolls of paper with eyes vertical, how many points of contact are required to consider a roll secure?
12.
What does DOT stand for?
13.
How many tiedowns are required on a stack of shortwood loaded crosswise?
14.
California allows 20,000 pounds maximum on the steer axle. The tread width of your tires is 11 inches, and the load rating on your steer tires is 7000 pounds. How much weight can you carry on your steer axle in California?
15.
When securing concrete pipe with a diameter up to 45 inches loaded crosswise as a group,lengthwise tiedowns should be either one 1/2 in chain or wire rope, or:
16.
When you sight-side back your vehicle into an alley stopping as close as possible to the rear of the alley it is called:
17.
A hazmat endorsement will be denied or canceled if:
18.
How many violations occur on the below example?
Day 1

Day 2
19.
If you cannot see the driver of a vehicle, then:
20.
A school bus endorsement is required in order to transport:
21.
What affect will sliding the trailer tandems forward have on the weight distribution?
22.
To secure paper rolls with eyes horizontal against rearward movement, you can use which of the following except:
23.
Which of the following headlight issues can be hazardous?
24.
When making a right turn, all of the following are good technical practices except:
25.
Specific securement methods are required for boulders that:
26.
A waterproof sheet used to cover cargo is a:
27.
.5g is equal to what?
28.
A friction mat is used to:
29.
What is the cargo's center of gravity?
30.
Which statement about EOBR's is true?
31.
A minimum disqualification of 12 months will result for any driver who:
32.
In order to perform the in-cab and gauge inspection, which of the following must be done?
33.
"Brake fade" is:
34.
What is the primary goal of implementing the Bridge Formula?
35.
Specific examples of vehicles which drivers should pay close attention to as possible hazards include:
36.
One option of positioning bundles of building materials is:
37.
Is the following example within legal HOS limits?

- A trucker starts driving at 12:00pm
- At 5pm the driver takes a 1 hour break
- At 6pm the driver begins driving again
- At 11:30pm, the driver shuts down and goes off duty for 10 consecutive hours
38.
If you hear on the radio that there is a major snowstorm forecast along your route, will you qualify for the Adverse Driving Conditions Exception?
39.
What is the maximum ideal angle for an effective direct tiedown?
40.
A container chassis vehicle, by definition, is:
41.
What kind of extinguisher should be used on burning paper, wood, or cloth?
42.
To avoid being blinded by glare when driving at night, drivers should:
43.
The narrowest end of a boulder should be pointed:
44.
Some suggestions for reducing stress and aggressiveness while driving might include all of the following except:
45.
Posted heights at overpasses:
46.
The term 'edge protector' refers to:
47.
You have steer tires rated at 6,150 pounds each, and you're in the state of West Virginia which says the legal limit for the steer axle is 20,000 pounds. What's the maximum legal weight you can carry on your steer axle in West Virginia?
48.
What violations occurred on the below example?
49.
On combination vehicles longer than 20 feet or wider than 80 inches, amber or yellow reflectors must be installed:
50.
The maximum number of allowable looks and/or pull-ups on any particular exam exercise is: