CDL General Knowledge Test Information
Free Online CDL General Knowledge Practice Test 9
The following free 2013 CDL practice test questions and answers belong to the CDL general knowledge written exams of all states. It were collected from the past CDL exams in all truck driving training centers in all states. It doesn’t include the questions & answers to the hazardous materials, double/triple and tanker endorsements. The below free official CDL general knowledge practice tests will test CDL test takers on general trucking knowledge, driving safely, transporting cargo safely and winter truck driving safety tips. The CDL candidates must pass the official state CDL general knowledge test to get CDL.
CDL Testing Rules & Guidelines
All tests are closed book. With permission, you may use a foreign language translation dictionary, except on CDL knowledge tests.
Only testers are allowed into the testing area, except for authorized interpreters.
Knowledge tests are given on a touch-screen computer, with or without audio assistance. If you require a special accommodation to take a knowledge test, please contact your local office.
All test scores are valid for a maximum 2-year period from the date the test was taken.
During the CDL general knowledge test there is NO:
Talking
Cell phone use
Operation of any electronic devices
Writing or note taking
Cheating
If you do not follow the testing rules and guidelines or it is determined that you are cheating, your test will be stopped immediately. You will not be allowed to test again for 90 days.
This CDL general knowledge practice test portion does not have specific information on air brakes, combination vehicles, doubles, or passenger vehicles. Take the tests to study for yourself. You will pass your CDL exam!!!
Free Online CDL General Knowledge Practice Test 1
Free Online CDL General Knowledge Practice Test 2
Free Online CDL General Knowledge Practice Test 3
Free Online CDL General Knowledge Practice Test 4
Free Online CDL General Knowledge Practice Test 5
If your stress comes from the CDL tests, you can read the most interesting real life stories in trucking to relax for a moment.
Free Online CDL General Knowledge Practice Test 6
Free Online CDL General Knowledge Practice Test 7
Free Online CDL General Knowledge Practice Test 8
Free Online CDL General Knowledge Practice Test 10
You have 1o minutes in which to solve the series of 10 multiple choice CDL general knowledge quiz questions. These test questions are the most frequently asked questions in previous exams 2013 in all states.
Free Online CDL General Knowledge Practice Test 9
You should downshift...
A before starting down a steep hill
B when the speedometer or tachometer indicates that it`s necessary
C before entering a sharp curve
D all of the above
Your vehicles battery box must have...
A at least two batteries
B enough fluid to work properly
C at least one loose wire for grounding
D a secure cover
When the roads are wet, icy, or snow covered...
A use your retarder for braking as much as possible
B turn the retarder off
C use the retarders maximum setting for better traction
D be ready to turn the retarder on if you start to skid
If you try to downshift while coming down a mountain, you might...
A damage the engine
B wear out the clutch
C get stuck in neutral
D lose traction
Signaling other drivers when it's safe for them to pass is...
A a great aid to highway safety
B required
C an unsafe practice
D a common courtesy drivers should extend to each other
Maintain good visual alertness by...
A fixing your eyes on the road in front of you
B looking ahead as far as you can see
C keeping a close eye on the road behind you
D shifting your attention between the mirrors and the road ahead
Bridge laws...
A control traffic on a bridge
B determine the maximum legal axle weight
C apply only to bridges in California
D can lower the maximum axle weight limit
A vehicle marked at the rear with a red triangle having an orange center...
A Is hauling hazardous materials
B Is moving slowly
C Is a farm vehicle
D May stop at any time
Normal engine temperature ranges from...
A 180 to 250 degrees Fahrenheit
B 100 to 250 degrees Fahrenheit
C 165 to 185 degrees Fahrenheit
D Any of the above, as long as it`s over 100 degrees Fahrenheit
Rust around wheel nuts often means that...
A the nuts are loose
B the nuts are broken
C it`s been raining a lot lately
D it`s nothing to worry about