FREE Utah CDL Practice Test 2024 - DMV Practice Test Page 3 of 7
These 50 multiple-choice questions are your chance to get as much practice as possible for the actual CDL written exam. They've been carefully chosen and written to reflect facts that the Utah Department of Public Safety believes you should be aware of in order to be a better driver. To be prepared for questions regarding these topics on your written exam, read the explanations carefully and use the hints as needed. Return as needed to practice until you get a passable score.
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15 . You must have an air brake endorsement:
You must take an air brakes knowledge test to become licensed to operate a vehicle that is equipped with air brakes, including an air over hydraulic braking system.
16 . Noting the engine speed is one way to determine when to upshift.
There are two indicators that determine when you need to shift into a higher gear. One indicator is the engine speed (rpm). You should read your vehicle's manual to learn its rpm range and shift up when you reach the top of that range. The other indicator is road speed (mph). You should learn which speeds each gear can accommodate, then keep an eye on the speedometer and shift up as needed.
17 . Cargo on flatbed trailers should be:
Pushed to one side.
On flatbed trailers or trailers without sides, cargo must be tied down to prevent it from shifting or falling off in transit.
18 . The minimum age someone may be to apply for a CDL is 18 years old.
You must be at least 18 years old to apply for a CDL. However, you must be at least 21 years old to drive in interstate commerce, as well as to have a hazardous materials, passenger, or school bus endorsement.
19 . Testing positive for any amount of alcohol while still below the legal limit will result in a driver being placed out-of-service for 24 hours.
If you are found to have any detectable amount of alcohol in your system, but are still below the legal limit of 0.04 percent, you will be placed out-of-service for 24 hours. It is both illegal and dangerous to operate a motor vehicle while under the influence of alcohol.
20 . Which of the following is acceptable?
Tires with cracks
