Knowledge Test Class A #1

Class A Driving Test | South Carolina 2025 #1 Page 5 of 7

Train for FREE online with our South Carolina 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 SC CDL class A permit in 2025, practice as much as.. Read More

Train for FREE online with our South Carolina 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 SC CDL class A permit in 2025, 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 . In very hot weather, tires may catch fire.

Tires are especially prone to overheating in very hot weather. Under such conditions, stop driving periodically to ensure that your tires are not at risk of blowing out or catching fire.

30 . A driver should ensure that:

It is essential to the safe operation of a CMV that cargo be properly loaded. Improper loading can affect handling and damage the vehicle. Additionally, improperly loaded materials can cause injury or death by falling off of the vehicle.

31 . The faster you drive:

The faster you are driving, the longer your stopping distance will become. Brake accordingly.

32 . Air tank drains:

Must remain open while driving. In an air brake system, the air tanks are equipped with drains that allow water and compressor oil to be removed from the system. If allowed to build up, water and compressor oil can damage an air brake system.

33 . If your coolant level is found to be low, you should:

Tighten the belts. When inspecting the engine compartment, you should check the oil level, coolant level, and windshield washer fluid level, among other things. In both cold and hot weather, it is important that the engine have enough coolant.

34 . In very hot weather, the air pressure in tires may decrease.

Air expands as its temperature increases, so air pressure in your tires is likely to increase when you are driving in very hot weather. Under such conditions, stop periodically to ensure that your tires are not at risk of blowing out or catching fire.

35 . Alcohol begins to affect the body:

Alcohol consumption impairs muscle coordination, reaction time, depth perception, vision, judgement, and inhibition. For some people, signs of impairment may begin with the first drink of alcohol. It is safest to not operate any motor vehicle after consuming alcohol in any amount.

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