Knowledge Test Class B #1
Class B Driving Test | Pennsylvania 2024 #1 Page 7 of 7
Train for FREE online with our Pennsylvania 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 PA 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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43 . Which of the following is most likely to result in hydroplaning?
Traveling at speeds under 10 mph
Hydroplaning is most likely to occur on wet roads if tire pressure is low or if tire tread is worn. If there is enough water on the road, hydroplaning can occur at speeds as low as 30 mph.
44 . Which factor does not have an impact on a person’s blood alcohol concentration (BAC)?
The temperature of the drinks
The three main factors that determine a person's blood alcohol concentration (BAC) are the amount of alcohol consumed, how quickly the alcohol is consumed, and the person's weight.
45 . When checking its automatic transmission fluid, the vehicle:
Should be lifted with a jack.
Your vehicle's engine may need to be running in order for you to check the level of its automatic transmission fluid.
46 . In the basic vehicle control portion of the skills test, the applicant will:
Be asked to take a written test.
During the basic vehicle control skills test, you will tested on your ability to operate your vehicle through certain maneuvers. You will be asked to move your vehicle forward, operate your vehicle backward, and turn your vehicle within a defined area.
47 . To correct a drive-wheel braking skid, a driver should do all of the following, except:
Accelerate.
To correct a drive-wheel braking skid, you should first remove your foot from the brake pedal to allow the locked wheels to begin rolling again. Quickly steer in the direction you want to go, then countersteer to prevent your vehicle from skidding in the opposite direction.
48 . How is the parking brake released?
By tapping the accelerator twice
In vehicles with air brakes, the parking brake is controlled by a knob. The knob is pulled out to apply the brakes, and pushed in to release them.
49 . If a driver holds a CDL and moves to another state:
The must get a new license.
If you are a new Pennsylvania resident and wish to obtain a CDL, you must surrender your out-of-state license. Pennsylvania law may prohibit issuing licenses to out-of-state addresses. If you surrender an out-of-state CDL, you must undergo a vision screening test. You must undergo additional testing if you want to be licensed to transport hazardous materials or operate a school bus.
50 . In a dual air brake system, a leak in one system:
Will also affect the other system.
