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.
When is the driver responsible for inspecting cargo and securing devices?
2.
The cargo securement standard applies to commercial vehicles weighing more than:
3.
Why Do HOS Regulations Exist?
4.
When driving in very hot weather, it is critically important to carefully inspect:
5.
Using radar detectors in commercial vehicles:
6.
All of the following are requirements for transporting coils with eyes crosswise except:
7.
A stake pocket is:
8.
By definition, what is a wedge?
9.
Is the below example a completed 34 hour restart?
Day 1

Day 2

10.
Touching or crossing over a boundary line during the driving exam is considered a(n):
11.
After an accident, you should only move a severely injured person:
12.
What is a rub rail?
13.
A cleat is a short piece of wood used:
14.
It is accepted that friction mats provide a resistance to horizontal movement equal to:
15.
When securing paper rolls on a flatbed or curtainside vehicle, it is acceptable to stack rolls with eyes vertical:
16.
Backing into a space that is to the right rear of your vehicle is referred to as:
17.
Who enforces HOS regulations?
18.
What is the Federal standard for the weight limit on a single axle?
19.
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: 11,100, drives: 32,600, gross: 71,400

After fueling:

steer:11,850, drives: 32,850, gross: 72,400

20.
In case you have to fight a fire, also aim the extinguisher:
21.
A combination of securing devices which form an assembly that attaches cargo to, or restrains cargo on, a vehicle or trailer, and is attached to anchor point(s) is a:
22.
Which of the following is not a requirement for shortwood loaded lengthwise?
23.
In addition to preventing engine freezing, proper coolant levels help:
24.
A tiedown with a marked WLL of 8,000 lbs directly attached to an article has an actual WLL of:
25.
Which of the following is not a requirement of wood used as blocking or bracing?
26.
When turning quickly in an emergency, which of the following applies:
27.
'Blocking' is defined as:
28.
What is the minimum requirement for securing roll-off and hook containers?
29.
Which statement is true?
30.
When vehicles towing trailers go into a drive-wheel skid, the trailer can push the towing vehicle sideways, causing a:
31.
High beams should only be used at a distance of:
32.
Cargo that isn't prevented from forward movement, and is 4 feet long and weighs 1,500 lbs requires a minimum of how many tiedowns?
33.
During the Stop/Start maneuver, when stopped, your vehicle:
34.
What hours must your logbook show?
35.
What is a headboard?
36.
Cargo must satisfy one of the following securement conditions except:
37.
What is aggregate working load limit?
38.
Generally, when steering in an emergency, which direction is your best option?
39.
When securing a single metal coil with eye vertical, tiedowns must be arranged according the all of the following except:
40.
What is bell pipe concrete?
41.
While driving, the freight must not:
42.
Sliding your trailer tandems toward the front or back of the vehicle will primarily change the weight distribution between which sets of axles?
43.
What is the presumed resistance to horizontal movement of friction mats?
44.
Some of the serious driving errors that can be caused by alcohol include:
45.
What violation has occurred at 8:00 a.m. on Day 2?
Day 1

Day 2
46.
Which of these is specifically prohibited when securing crushed or flattened vehicles?
47.
When securing concrete pipe over 45 inches loaded crosswise, which direction must the tiedowns on the front half of the load run?
48.
Within the requirements for concrete pipe, which of these requires specific securement methods?
49.
The pre-trip inspection should generally include how many steps?
50.
Shifting gears on most heavy vehicles using manual transmissions will require: