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

Our CDL practice tests:
Based on 2021 PA commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
PA CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
List of questions
You can see a marking on a vehicle ahead of you. The marking is a red triangle with an orange center. What does the marking mean?
You must drive through deep or flowing water, you should not:
You are driving on a clear night with your low beam lights on. If your headlights let you see about 250 feet ahead of you, you should adjust your speed so that you can stop within about _____ feet.
In case of tire failure, all of the following will be steps in your response except:
When are helpers needed to back your vehicle?
What should you do before driving in mountains?
Which of these is true about driving in a tunnel?
Special permits will be required for loads that are:
The cargo securement standard applies to commercial vehicles weighing more than:
Whenever you double your speed, your vehicle has about how many times of destructive power if it crashes?
Using 6 miles per gallon as your fuel mileage and 8 pounds per gallon for the weight of fuel, how much total fuel weight will you burn off in 600 miles?
Instead of stopping in an emergency, what is many times the safer action?
In case of illness that prevents you from driving safely, you should:
The maximum weight limit on a single axle is:
In mountain driving you will have to use a lower gear to drive safely on a grade. Which of these does NOT affect your choice of gear?
All of the following are considered excessive speeding except:
Why should drivers always be looking for hazards?
The Aggregate Working Load Limit should, at minimum, be:
When you are driving on a snow packed road, you should reduce your speed by:
For safer night time driving, windshields and mirrors should be:
In bad weather many drivers tailgate large vehicles. What should you do?
Why should drivers avoid foreign objects in the road?
Load securement for cargo weighing 29,650 lbs must be able to withstand upward force of how many lbs?
Which of these statements about double clutching and shifting is true?
Specific suspension problems that drivers should look for include which of the following:
Drivers who have trouble sleeping at night, fall asleep at odd times, or snore loudly, gasp, and choke in their sleep should:
Why did Congress enact the Bridge Formula in 1975?
How does the weight of the vehicle affect stopping distance?
A chain marked with a
4 is identified as what kind?
What is a cab shield?
The tread depth on front steering wheel tires should be:
An example of reckless driving is:
Where should the ignition key be during the pre-trip inspection?
Sliding your trailer tandems forward or backward will redistribute the weight mainly between which two sets of axles?
When vehicles towing trailers go into a drive-wheel skid, the trailer can push the towing vehicle sideways, causing a:
Based on the following figures, how much fuel can you legally add while remaining legal on the drive axles?

Percentage of fuel weight to drive axles: 30%

Weight Before Fueling: Steer: 11,275, drives: 33,750, gross: 77,220

In order to perform the in-cab and gauge inspection, which of the following must be done?
An ABS light that comes on or stays on while driving indicates:
If you do not have a CB-radio, what procedure should you follow on an accident scene?
Backing your vehicle in a straight line without crossing over or touching the exercise boundaries is called:
The distance that you should look ahead of your vehicle while driving is about __ at low speed.
A steel coil weighing 21,000 lbs requires how much securement against forward movement?
What does BAC stand for?
What is the minimum WLL used to block forward movement of cargo weighing 36,500 lbs?
When securing flattened or crushed cars on a vehicle with containment on 2 sides, how many tiedowns, at minimum, are required?
Using the following numbers for your calculations, how much weight will come off your drive axles?

Miles per gallon: 6

Miles travelled: 360

Percentage of fuel weight on drive axles: 30%
Requirements for securing two stacks of shortwood loaded side-by-side include:
On what day and time does an 11 hour rule violation occur?
Day 1

Day 2

You receive a scale ticket and your drive axles are 35,400 and your trailer tandems are 31,100. 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?
The pre-trip inspection should generally include how many steps?