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Free Delaware 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 DE General Knowledge Practice Test has the same questions as the real exam which is based on the Delaware CDL manual. Our test covers most of the subject areas on the Delaware 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 Delaware CDL Practice test an unlimited number of times to make sure you learn all the questions. Our practice test will refine your driving knowledge so you can earn your CDL and start driving on the roads. Let’s take our CDL practice test now!

Our CDL practice tests:
Based on 2021 DE commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
DE CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
Study now
List of questions
1.
What are the Federal standards for the gross vehicle weight of a 5 axle commercial vehicle?
2.
The most important thing you can do when dealing with an aggressive driver is:
3.
The driver is responsible for all of the following, EXCEPT for:
4.
Which may be a sign of tire failure?
5.
Which of these is true about driving in a tunnel?
6.
Hydroplaning:
7.
What time does a 14 hour rule violation occur?
8.
You are checking your brakes and suspension system for a pre-trip inspection. Which of these statements is true?
9.
Methods to keep a cradle from sliding include:
10.
Some general signs that another driver may be distracted include which of the following:
11.
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

12.
The maximum safe weight that a tire can carry is:
13.
Which of these is true about tires and hot weather?
14.
When approaching a railroad crossing, which of these safety precautions applies?
15.
When starting to move the truck, when is it acceptable to roll backwards?
16.
The aggregate WLL for logs loaded lengthwise must be at least:
17.
Concrete pipe loaded crosswise generally:
18.
You should be prepared to the examiner:
19.
How many knots are acceptable in a properly working tiedown?
20.
Why is damage to the exhaust system a danger?
21.
A bulkhead is defined as:
22.
Overweight, oversized loads:
23.
Most serious skids result from:
24.
Adding or burning off fuel will mainly change the amount of weight on which axles?
25.
When should you test your parking brakes?
26.
Distracted driving could be any of the following EXCEPT:
27.
You receive a scale ticket and your drive axles are 32,200 and your trailer tandems are 35,100. Based upon the two most common tandem slider rail hole spacings, what is the minimum number of holes you would have to slide the tandems to get the weight legal, and in which direction?
28.
What is the minimum WLL required of tiedowns securing loaded intermodal containers on non-chassis vehicles?
29.
Good general shifting techniques for going down a long downgrade include:
30.
When securing a non-cubic boulder with an unstable base, the four surrounding chains must have a WLL of at least:
31.
The engine brake effect is greater when the engine is _____ governed RPM and the transmission is on a _____ gear.
32.
Who must complete a log?
33.
You are driving a 40-foot vehicle at 55 mph. The road is dry, and visibility is good. What is the least amount of space that you need to have in front of your vehicle?
34.
Drivers of trucks and tractor-trailers with cargo must check that the cargo is well secured within the first ___ miles of the trip.
35.
When turning quickly in an emergency, which of the following applies:
36.
When calculating directional forces, 'g' is expressed as:
37.
If you increase your speed from 20 to 60 mph (original speed times 3), how much more braking distance is required at 60 mph than at 20 mph?
38.
A chock is generally used to secure:
39.
How far should a driver look ahead of the vehicle while driving?
40.
A combined Tank vehicle & hazardous material endorsement will be designated with what letter on the CDL?
41.
A 30 minute break violation occurs on the below example. What day and time does the violation occur?
Day 1

Day 2
42.
When securing metal coils, it is acceptable to use nailed blocking or cleats as the sole means to secure:
43.
If you have a heavy load that is slowing you down on an upgrade you should:
44.
Which of the following techniques will not change the weight distribution across your axles?
45.
What is the presumed resistance to horizontal movement of friction mats?
46.
If a straight vehicle (not trailer or articulation) goes into front-wheel skid, it will:
47.
The definition for "shortwood" identifies pieces that are no longer than:
48.
Which of these is true about mirror adjusting?
49.
As part of their pre-trip cargo securement inspection, drivers should:
50.
When securing concrete pipe over 45 inches loaded crosswise, which direction must the tiedowns on the front half of the load run?
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