View instructions
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. Older trailers do not have spring brakes. If the air supply leaks away:
the trailer will stop normally.
the ABS won't work properly.
there will be no emergency brakes.
All of the above.
2. The liver can only process ______ of alcohol per hour, much ____ than the alcohol in a standard drink.
1/3 an ounce; less
one ounce; less
1/8 an ounce; more
one ounce; more
3. After starting the engine, you are looking at the oil pressure gauge. Oil pressure should come up to normal within:
2 minutes.
10 minutes.
5 minutes.
4. To stay alert and safe while driving, you should:
always drive alone, if possible.
drive at night, if possible.
drink coffee if you get drowsy.
avoid any drug that hides fatigue.
5. Which of the following is part of checking lights?
Getting out of the vehicle.
Turning off the engine and taking the key with you.
Turning on the headlights and four-way flashers.
All of the above.
6. To recognize when it's time to shift up to a higher gear, use:
engine speed (rpm) and road speed (mph).
road speed (mph) and engine oil temperature.
engine sounds and road signs.
engine speed (rpm) and road signs.
7. The definition of Gross Vehicle Weight is:
Total weight of a single vehicle + cargo
Total weight of cargo
Axle weight + cargo weight
Total weight of a single vehicle minus fuel
8. What is an "escape ramp"?
A ramp built on steep mountain downgrades, made to stop runaway vehicles safely.
A short section of road by which traffic may leave a controlled access highway.
A road shoulder made to support the weight of large vehicles and, therefore, offer an escape route.
None of the above.
9. Drivers who cannot see others are a dangerous hazard. Be especially alert for all of the following, except:
Pick-up trucks
Rental trucks
Vehicles with frosted windows
Loaded station wagons
10. To make sure you always have overhead clearance, always be aware that:
some roads can cause a vehicle to tilt.
re-paving or packed snow may have reduced the clearances since the heights were posted at bridges and overpasses.
an empty vehicle is taller than a loaded one.
All of the above.
Page 1 of 5
Next page

UT CDL Knowledge Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
Share This Online CDL Test
Rate this CDL Knowledge Test
4.9 out of 5
based on 219 votes