Knowledge Test Class A #1
Class A Driving Test | Tennessee 2026 #1 Page 5 of 7
Train for FREE online with our Tennessee class A 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 TN CDL class A permit in 2026, 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 A requirements may vary from state to state.
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29 . If brakes fail on a long downgrade, the driver should:
If your brakes fail on a downgrade, your best option is to use an escape ramp. If no escape ramp is available, it is a good idea to look for a different escape route, such as a side road or open field.
30 . Which of the following is not a reason to use your mirrors?
While regular mirror checks should be part of your normal driving routine, checking your mirrors is especially important when turning, changing lanes, merging, and performing tight maneuvers.
31 . Antifreeze helps to keep an engine functioning properly:
It is always important to have enough water and antifreeze in a vehicle's cooling system. Despite the name, antifreeze is beneficial to an engine even in hot weather.
32 . If you require a hazardous materials endorsement, you will be required to:
To obtain a hazardous materials endorsement, you must first undergo a background check, which includes submission of your fingerprints.
33 . Suspension system defects may include all of the following, except:
Cracked lights.