Knowledge Test Class B #2
Class B Driving Test | West Virginia 2024 #2 Page 3 of 7
Train for FREE online with our West Virginia 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 WV 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.
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15 . When approaching a vehicle for a pre-trip inspection, a driver should look under the vehicle:
To see if the vehicle is on a decline.
When approaching your vehicle to conduct an inspection, you should look underneath it to make sure there are no fresh oil, coolant, grease, or fuel leaks on the ground. Leaks can indicate unsafe defects on a vehicle.
16 . Skids caused by acceleration can usually be resolved by:
Switching into a higher gear.
Skids caused by acceleration can usually be corrected by taking your foot off of the accelerator. If you are on an especially slippery surface, you may also need to push the clutch in.
17 . An Anti-Lock Braking System (ABS):
Helps to ensure control while braking.
ABS increases a driver's control during braking. It will not necessarily change the distance needed for a vehicle to come to a complete stop.
18 . Tires of mismatched sizes:
Improve fuel economy.
Tires on the same vehicle should all be equally sized. Ensure your tires are not mismatched when inspecting your vehicle.
19 . Which of the following determines your blood alcohol concentration (BAC)?
The color of the drink
The three main factors that determine a person's blood alcohol concentration (BAC) are how much alcohol was consumed; how fast it was consumed; and the person's body weight. The only thing that can lower a person's BAC is waiting for the alcohol to leave their system naturally.
20 . What kind of force must emergency brakes use?
Electrical
Because air pressure can eventually leak away, the emergency brakes in an air brake system must be held on by mechanical force.
21 . When preparing to enter traffic, you should do all of the following, except:
Assume other drivers will make room for your much larger vehicle.
