Class B Driving Test | Utah 2024 #1 Page 5 of 7
Train for FREE online with our Utah class B license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a UT CDL class B permit in 2024, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class B requirements may vary from state to state.
29 . Air brakes use ____ to function.
The brakes in an air brake system use compressed air to function properly.
30 . If your tractor is equipped with ABS but your trailer is not, the ABS:
In a tractor-trailer combination, if the tractor is equipped with an Anti-Lock Braking System (ABS) but the trailer is not, the ABS will still improve the driver's steering control. The driver should keep an eye on the trailer and let up on the brakes if the trailer begins to swing out.
31 . 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.
32 . The minimum tread depth of all major grooves on tires that are not on the front of a CMV should be a minimum of:
When inspecting your tires, verify that there is at least 4/32 of an inch of tread depth in every major groove on the front tires, and tread depth of at least 2/32 of an inch on the other tires. Tires on the same vehicle should all be the same size.
33 . Three red reflective triangles should be carried within the vehicle
When inspecting a vehicle, you should ensure that it holds proper warning devices that can be used when the vehicle is parked. These warning devices may include three reflective triangles, six fuses, or three liquid burning flares.
34 . Rough acceleration:
Accelerate smoothly and gradually. Rough acceleration can cause mechanical damage.
35 . Mismatched tire sizes are acceptable on the rear axles.
When inspecting a vehicle's tires, you should verify that there are no tires of mismatched sizes.
See the exact questions that will be on the 2024 Utah DMV exam.
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