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The CDL general knowledge test is required to be taken by all CDL applicants. The Utah 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 Utah 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 UT 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. When checking the engine compartment, which of the following should you check?
Engine oil level.
Battery fluid level.
Windshield washer fluid level.
All of the above.
2. When transporting cargo, you are NOT responsible for:
ensuring that cargo is loaded safely and securely.
inspecting your cargo.
recognizing poorly balanced weight.
the price of the cargo.
3. When taking a curve you should:
maintain the same speed you were traveling at before entering the curve.
brake in the curve to avoid to locking the wheels.
slightly exceed the posted speed limit for the curve, as this will help you keep control.
be in a gear that will let you accelerate slightly in the curve.
4. When you discover a fire, if the trailer doors are hot you should not open them because:
the temperature of the trailer should not be changed in any way.
opening the doors lets air in and may make the fire flare up.
you should use the fire extinguisher on the door.
with air many fires do less damage.
5. Which of the following is NOT a common cause of vehicle fires?
Flammable cargo
Under-inflated tires
Broken fuel pipe
Headlights out of adjustment
6. The trailer hand valve should be used:
only on slippery surfaces.
only to test the trailer brakes.
only when applying the brakes hard.
only in an emergency.
7. Which of the following statements about staying alert while driving is true?
Some drugs can overcome fatigue.
If you are drowsy, the only safe cure is to stop and take a fresh shower.
Drinking a cup of coffee will do more to keep you alert than a 20 minute nap.
None of the above.
8. To avoid blinding other drivers, you should dim within ____ of an oncoming vehicle.
500 feet
100 feet
250 feet
1000 feet
9. _______ is the distance your vehicle travels, in ideal conditions, from the time you see a hazard until your brain recognizes it.
Perception distance
Total stopping distance
Braking distance
Reaction distance
10. Which of the following is checked in a pre-trip inspection?
Wiper blades
Steering wheel
Mirrors and windshield
All of the above.
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UT CDL Knowledge Test

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