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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. The air compressor governor:
allows the compressor to start pumping air when the tank pressure rises to the "cut-out" pressure.
stops the compressor from pumping air.
controls when the air storage tanks will pump air into the air compressor.
All of the above.
2. To avoid becoming distracted while driving, you should:
pre-program your favorite radio stations.
familiarize yourself with your vehicle's features within the first 10 miles of driving.
be careful when reading a text message on your mobiledevice while driving.
All of the above.
3. When meeting an oncoming vehicle at night, if the other driver does not put their low beams on, you should:
flash your high beams at the other driver.
"get back at the other driver" by putting your own high beams on.
slow down and look straight ahead in your lane.
look slightly to the right to avoid looking directly at the lights of the oncoming vehicle.
4. The amount of liquid to load into a tank depends on:
the weight of the liquid.
legal weight limits.
the amount the liquid will expand in transit.
All of the above.
5. If no qualified person is at the accident and an injured person is bleeding heavily, how can you give assistance?
Apply direct pressure to the wound.
Poor cold water on the wound.
Keep the injured person cold.
Look for a doctor.
6. Placards are:
signs placed on a vehicle to identify the hazard class of the cargo.
devices placed below a vehicle to improve traction.
a type of safety equipment.
signs put inside a vehicle used to warn others of hazardous materials.
7. The size of motorcycles can cause you to misjudge their speed and distance. You should:
use extra caution before you pull out in front of a motorcycle.
check twice for motorcycles before pulling out into traffic.
never share lanes with motorcycles.
All of the above.
8. When you double your speed from 20 to 40 mph, the braking distance:
increases slightly.
is 4 times longer.
stays about the same.
9. _______ is the distance your vehicle travels, in ideal conditions, from the time you see a hazard until your brain recognizes it.
Braking distance
Reaction distance
Total stopping distance
Perception distance
10. Baffles:
help to control the forward and backward liquid surge.
help to control the side-to-side liquid surge.
help to prevent cargo overload.
separate the load.
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CT CDL Knowledge Test

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