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The CDL general knowledge test is required to be taken by all CDL applicants. The Connecticut 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 Connecticut 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 CT 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.
1. If the ABS is not working:
the truck will have no brakes.
the truck will still have normal brakes.
you should immediately reduce your speed.
All of the above.
2. If you find anything unsafe during the pre-trip inspection, you are required to:
inform your motor carrier after the trip.
write it in your inspection report.
get it fixed before driving.
drive cautiously until it is fixed.
3. Which of the following may have reduced the clearances since the heights were posted at bridgesĀ and overpasses?
Repaving of the road
The weight of a cargo
4. Under a pressurized system, the radiator cap:
should be removed when the coolant is hot.
should always be cool.
should never be removed until the system has cooled.
should never be hot.
5. For proper steering, steering wheel play should be no more than:
25 degrees.
10 degrees.
30 degrees.
50 degrees.
6. Suspension systems:
have a weight capacity rating.
are rated for the maximum weight the vehicle can pull.
have a minimum weight rating.
specify the loaded weight of a single vehicle.
7. Placards must be placed:
on the driver's side of the vehicle.
on the front, rear and both sides of the vehicle.
on the rear only.
on the front only.
8. Which of the following statements about managing space is true?
Full tank vehicles may take longer to stop than empty ones.
You need at least 1 second for each 10 feet of vehicle length at speeds above 40 mph.
Smaller vehicles require more space to stop than larger ones.
If you find yourself being tailgated, you should increase your following distance.
9. If the low pressure warning signal does not work:
This could cause sudden emergency braking in a single-circuit air system
You could lose air pressure and not know it
The vehicle is not safe to operate
All of the above.
10. An anti-lock braking system (ABS):
helps you avoid wheel lock up.
should help you steer around an obstacle while braking.
helps you avoid skids caused by over braking.
All of the above.
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CT CDL Practice Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
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