Illinois CDL Permit Test - Class A

Number of questions: 50
Passing score: 40
Directions: This license is required for driving any legal combination of vehicles, with a gross combination weight rating of 26,001 pounds or more, provided the GVWR of a trailer exceeds 10,000 pounds. To receive this license, applicants must pass a 50-question test. Test questions come from the Illinois Commercial Drivers License Study Guide. To pass, applicants must answer 40 questions correctly. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination Vehicles, Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving. Endorsements that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, Doubles/Triples, HazMat, Tank, Air Brakes, School bus and Charter.
You have made error so far
Passing grade —
10 or fewer errors
Before driving a vehicle with a dual brake system, the driver should:
Let the vehicle warm up to ensure the fuel reaches the engine
Test each brake system separately
Begin driving just after the vehicle starts
Pump the pedal about 20 times to build pressure
A serious traffic violation involves each of the following offenses except:
Improper lane usage
Having multiple licenses
Using a cellphone
Not stopping behind the stop line at a stop sign
Tar in the road pavement often rises to the top in very hot weather. Spots where the tar “bleeds” are:
Very slippery
Offer about the same traction as the rest of the roadway
Offer more traction
Will stop a vehicle
How does doubling your speed from 20 mph to 40 mph affect braking distance?
It stays about the same
It increases slightly
It doubles
It quadruples
A driver should always:
Stay in their lane
Have an emergency plan
Stay in the left lane
Go faster than the speed limit
When going down an downgrade,
Your speed will stay about the same
Your speed will decrease
Your speed will increase
You will slow to a stop
If using a helper when backing a vehicle, where should he helper be located?
At the front on the passenger side
At the front on the driver side
On the wide of the truck
Near the back of the truck
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