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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. Baffles:
separate the load.
help to control the forward and backward liquid surge.
help to control the side-to-side liquid surge.
help to prevent cargo overload.
2. Heights posted at bridges and overpasses:
are always incorrect.
can be incorrect.
are always accurate.
None of the above.
3. One way to prevent hydroplaning is to:
have less than 4/32 inch tread depth in every major groove on front tires.
use the controlled braking method.
take curves at higher speeds.
make sure you have enough tread on your tires.
4. Which of these should you check before driving in winter?
Coolant level and antifreeze amount
Windshield wiper blades
All of the above.
5. Vehicle inspections:
should not be done by the shipper.
are important because vehicle defects found during an inspection could save you problems later.
should be performed once a week.
should only be done when a vehicle defect is found.
6. Too much weight on the steering axle can cause:
better handling.
hard steering and damage to the steering axle and tires.
poor traction.
None of the above.
7. What is true about tire chains?
You must carry the at least 6 chains and extra cross-links.
You should learn how to put the chains on before you need to do it in snow.
You should watch the official video tutorial by the manifacturer before putting them on.
All of the above.
8. Name 2 causes of tire fires.
Loose connections and poor ventilation.
Driver smoking and bleeding tar.
Over-inflated tires and duals that touch.
Under-inflated tires and duals that touch.
9. Which of the following statements about driving in hot weather is true?
You should check the tire mounting and air pressure before driving.
If a tire is too hot to touch, you should hose it down with water.
Spots where tar "bleeds" to the surface provide better traction.
All of the above.
10. If you must drive through a deep puddle you should:
speed up to get through the puddle as quickly as possible.
apply the brakes until your speed reaches 40 mph.
start slowly and Speed up smoothly and gradually so the vehicle does not jerk.
slow down and place transmission in a low gear.
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UT CDL Practice Test

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