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.
Any driver convicted of violating an out-of-service order will be disqualified for a minimum of:
2.
Which day below contains at least 1 violation?
Day 1

Day 2
3.
The maximum safe weight that a tire can carry is:
4.
ABS malfunction lights will be what color?
5.
On what day and time does an 11 hour rule violation occur?
Day 1

Day 2
6.
What is a cab shield?
7.
Major signs of tire failure could include:
8.
You should be prepared to the examiner:
9.
A single metal coil with eye vertical weighing 6,350 lbs requires tiedowns with a minimum aggregate WLL of:
10.
All vehicles on all highways have a maximum allowable height of:
11.
To secure a cubic-shaped boulder, how many tiedowns are required, at minimum?
12.
Which of these are requirements for securement systems?
13.
All of the following are considered excessive speeding except:
14.
Based on the following figures, how much fuel can you legally add while remaining legal on the steer axle?

Load rating of steer tires: 6,150 pounds

Percentage of fuel weight to steer axle: 80%

Steer axle weight limit in states you're travelling: 20,000 pounds

Weight Before Fueling: Steer: 11,450, drives: 33,100, gross: 76,700

15.
The Aggregate Working Load Limit should, at minimum, be:
16.
When entering or crossing traffic, observe all of the following except:
17.
A device placed between the deck of a vehicle and car or between articles of cargo, intended to provide greater friction than exists naturally between these surfaces is:
18.
What happens if you spend 8 hours in the sleeper berth?
19.
The maximum distance from the rear allowed for attaching mechanisms used to secure roll-on/roll-off containers is:
20.
Rims with welding repairs or missing lugs:
21.
Banding is:
22.
In cargo securement, bracing is:
23.
Gross combination weight (GCW) is:
24.
When loading paper rolls with eyes horizontal, which of the following is not a requirement for stacking a second layer?
25.
An example of reckless driving is:
26.
Whenever possible, a row of metal coils with eyes vertical requires one direct tiedown to secure against rearward movement at what maximum angle?
27.
The maximum number of pull-ups allowed during the driving exam before failure is:
28.
If a CDL-holder's privilege to drive non-CMV's is revoked or suspended more than once for alcohol, felony, or controlled substance violations, the CDL will be disqualified for:
29.
A dunnage bag is:
30.
The maximum allowable overall length for semitrailers is:
31.
A tractor trailer traveling 55 mph will travel how far between when the brain perceives a hazard and stopping?
32.
Under the adverse driving conditions exception, how many additional hours can you drive?
33.
When your vehicle is out of gear for more than its length, it will be scored as:
34.
Make sure that splash guards are properly fastened, and not:
35.
What does GCWR stand for?
36.
What is the minimum nominal dimension of timber blocking used to secure concrete pipe?
37.
Water should never be used to put out a gasoline fire, and also what other kind of fire?
38.
Requirements for securing heavy vehicles, equipment, and machinery apply at what weight?
39.
Methods of securing building materials against forward motion include:
40.
When checking the general condition of the vehicle, which of the following should be specifically addressed?
41.
Some causes of fuel fires include improper fueling, driver smoking, and:
42.
Which statement below is false?
43.
When securing building materials, how many tiedowns are required for top tier bundles longer than 5 ft?
44.
When starting down a hill, instead of using the foot brakes to control speed:
45.
How long does it typically take a tractor-trailer to cross a single set of railroad tracks?
46.
Option #1 for securing coils transported with eyes lengthwise includes:
47.
Oil, coolant, charging circuit warning lights should go out:
48.
When securing concrete pipe up to 45 inches loaded crosswise, tiedowns through the pipe must be:
49.
How many days worth of logbook entries must you have available to show during an inspection?
50.
When securing concrete bell pipe in multiple complete tiers, all of the following are true except: