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Illinois CDL Permit Test - Knowledge Test Class B

Number of questions: 50
Passing score: 40
Directions: This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 or more people (including the driver). To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Test questions come from the Illinois Commercial Drivers License Study Guide. 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 B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes, School bus and Charter.
You have made error so far
Passing grade —
10 or fewer errors
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1.
When driving under wet conditions, what does a lack of spray from other vehicles indicate?
Ice has formed on the road.
The pavement is dry.
The spray is caught on the underside of the vehicle.
The tires have soaked up all the moisture.
2.
What is reaction distance?
The distance traveled between seeing a hazard and physically hitting the brakes
The distance traveled between a hazard becoming visible and a driver seeing the hazard
The distance traveled before a driver realizes they must brake
The distance traveled between physically hitting the brake and coming to a complete stop
3.
In cold weather, an alcohol evaporator should be checked and filled:
Once a week.
Every day.
Every hour.
Once a month.
4.
If you must drive very slowly, you should:
Warn other motorists.
Drive on the shoulder.
Stay in the left lane.
Sound your horn.
5.
If transporting 30 feet of cargo on a flatbed trailer, you should use a minimum of ____ to restrain the cargo.
One tie-down
Two tie-downs
Three tie-downs
Four tie-downs
6.
If a tire fails, you should:
Use the brakes.
Stay off the brakes.
Swerve.
Wave your arms at other drivers.
7.
If a vehicle has air brakes, the air compressor drive belt should be checked before each drive. In what condition should the belt be?
Loose
Tight
Cracked
Bumpy
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