Combination #2
Combination Vehicles Practice Test | Utah 2024 #2 Page 3 of 4
Train for FREE online with our Utah CDL combination vehicle 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 combination license 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 DMV requirements for issuing a combination license may vary from state to state.
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17 . The service air line is attached to the:
Steering wheel.
The service air line carries air and is controlled by either the foot brake or trailer hand brake. The service air line is attached to relay valves, which allow the trailer brakes to be applied quickly.
18 . What is another name for the service line?
The parallel line
The trailer service air line may also be referred to as the control line or signal line.
19 . A combination vehicle has:
Four air lines.
Combination vehicles have two air lines: a service line and an emergency line.
20 . If a load is placed on one side of a trailer, the trailer:
Positioning the weight of a load on one side of a trailer may cause the trailer to lean to that side, increasing the risk of a rollover during turns and lane changes.
21 . When coupling, you should:
When coupling air brake hoses, you should make sure the proper pairs of gland hands are connected. They are sometimes color-coded to help drivers avoid mistakes. Typically, blue is used for service lines and red is used for emergency lines.
22 . When coupling a trailer, you should:
When coupling air brake hoses, you should make sure the proper pairs of gland hands are connected. They are sometimes color-coded to help drivers avoid mistakes. Typically, blue is used for service lines and red is used for emergency lines.
23 . A driver should test the tractor protection valve by:
You should test the tractor protection valve by allowing the air supply to properly charge, turning off the engine, then releasing air from the system by pressing the brake pedal several times. The tractor protection valve should move into its emergency position when psi drops to an unsafe level.
2024 Utah | Frequently Asked Questions
A CDL Class B license in Utah permits drivers to operate single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or a towed vehicle not exceeding 10,000 pounds GVWR. This includes straight trucks, large buses, segmented buses, box trucks, and dump trucks with small trailers. The license requires passing a general knowledge test and a skills test.
A Class B CDL license in Utah allows the holder to operate single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or a towed vehicle not exceeding 10,000 pounds GVWR. These vehicles include straight trucks, large buses, segmented buses, dump trucks with small trailers, and box trucks.
To acquire a Class B CDL license in Utah, applicants must be at least 18 years old (21 for interstate driving), possess a valid Utah driver's license, pass a vision test, and a written knowledge test. They must also complete a CDL application, provide medical certification, and successfully pass the Class B vehicle skills test.
In Utah, to qualify for a Class B Commercial Driver's License (CDL), you must be at least 18 years old. However, if you intend to drive across state lines or transport hazardous materials, federal regulations require you to be at least 21 years old.
While a Class B CDL license in Utah allows you to operate certain types of heavy vehicles, specific endorsements may be necessary based on the vehicle's features or cargo. For instance, a passenger endorsement is needed for vehicles carrying 16 or more passengers and a hazardous materials endorsement for transporting hazardous substances. Endorsements require additional written and skills tests.
The Class B CDL skills assessment in Utah consists of three sections: pre-trip vehicle inspection, basic vehicle control, and on-road driving. You'll be tested on your ability to inspect your vehicle before departure, control the vehicle under various conditions, and drive safely in regular traffic situations.
Yes, Class B CDL license holders in Utah are limited to operating vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 or more pounds. They can also tow vehicles that weigh less than 10,000 pounds. They aren't allowed to drive a Class A vehicle without the proper endorsements.
In Utah, the written Class B CDL test is primarily administered in English, in accordance with federal regulations. However, assistance may be available for individuals with limited English proficiency. It's advisable to contact the Utah Driver License Division directly to discuss possible accommodations or assistance.
Yes, you can request accommodations for the Class B CDL written exam in Utah if you have a disability. It's recommended to contact the Utah Driver License Division ahead of your testing date to discuss your needs and arrange appropriate accommodations. These may include extra time, a separate room, or a reader, depending on your specific needs.
If you don't pass the Class B CDL written test in Utah, you can retake it. However, you must wait until the next day to retake the test. There is no limit on the number of times you can retake the test, but a retest fee applies each time after the third attempt.