CDL GENERAL KNOWLEDGE TEST (DE) - PRACTICE TEST
View instructions
The CDL general knowledge test is required to be taken by all CDL applicants. The Delaware CDL test consists of 50 questions. To pass, you must correctly answer at least 40 questions (80%). The general knowledge test covers the contents of the Delaware CDL Manual.
All CDL applicants (Class A, B and C) must study the following sections: Driving Safely, Transporting Cargo Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, Road Test. In addition, the Class A CDL test will include questions based on the Combination Vehicles section. Take this CDL practice test now to prepare for the actual DE general knowledge test!
To get your CDL, you must pass both the knowledge and skills tests. CDL knowledge tests include: General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, Firefighter. Depending on what class of license (A, B or C) and endorsements you need, you must take one or more knowledge tests. A special endorsement is also required to drive certain types of vehicles. The following endorsements may be used with a Class A, B or C CDL: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X) and Passenger Transport (P). The School Bus endorsement (S) is only available for Class A or B CDL, and the Doubles/Triples endorsement (T) is only available for Class A driver's licenses.
Not Sure You Will Pass?
Get a Pass Guarantee
Get a Pass Guarantee
UPGRADE TO CDL PREMIUM
1.
If you have convex mirrors, be aware that:
in a convex mirror objects appears larger than they really are.
|
|
everything appears smaller in a convex mirror than it would if you were looking at it directly.
|
|
objects seem closer than they really are.
|
|
objects may appear to be faster than they really are.
|
2.
To prevent drowsiness before a trip, drivers should:
get adequate sleep.
|
|
avoid medications that cause drowsiness.
|
|
avoid scheduling trips for the middle of the night.
|
|
All of the above.
|
3.
The minimum tire tread depth for front tires is:
8/32 inch
|
|
4/32 inch
|
|
2/32 inch
|
|
4/16 inch
|
4.
If driving a new vehicle, you should familiarize yourself with the controls and equipment:
before you start driving.
|
|
after pulling into a service station.
|
|
within the first 50 miles.
|
|
as you drive.
|
5.
If a vehicle is equipped with ABS, when you start the engine:
the wheels will lock up.
|
|
the trailer emergency brakes will come on.
|
|
the ABS indicator light on the dash should come on and then turn off.
|
|
the spring brakes will come on.
|
6.
Hazardous materials can be recognized by looking at the container's:
label.
|
|
type.
|
|
shape.
|
|
color.
|
7.
A vehicle inspection should be done in the same order each time:
so you are less likely to forget something.
|
|
because it's much quicker.
|
|
because it is required by law.
|
|
because the report must be written in that order.
|
8.
With a dual air brake system:
one system is the main braking system while the other is a back-up system.
|
|
each system shares air tanks.
|
|
each system shares the same lines and hoses.
|
|
each system has its own air tanks, hoses and lines.
|
9.
Confused drivers can be very hazardous. Clues to confusion include:
changing lanes for no apparent reason.
|
|
hesitation.
|
|
using brakes often.
|
|
All of the above.
|
10.
The ABS malfunction lamp on the instrument panel is:
Red
|
|
Yellow
|
|
Orange
|
|
Blue
|
Page 1 of 5
Next page
Grade this page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More
DE CDL Knowledge Test
Number of questions: | 50 |
Correct answers to pass: | 40 |
Passing score: | 80% |
Save Time. Learn Faster.
Ace Your CDL Test.
Ace Your CDL Test.
UPGRADE TO CDL PREMIUM
Rate this CDL Knowledge Test
4.9 out of 5
based on 274 votes
based on 274 votes