Knowledge Test Class B #1
Class B Driving Test | North Carolina 2025 #1 Page 7 of 7
Train for FREE online with our North Carolina 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 NC CDL class B 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 B requirements may vary from state to state.
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43 . A vehicle stopped at a green light may indicate that the driver:
Is very patient.
It is important to observe other drivers' actions and identify clues that a person could be driving impaired. Drivers who have had too much to drink, are sleepy, are on drugs, or are ill can present hazards to other drivers. One sign that a driver may be impaired is that they stop in inappropriate places, such as at green traffic lights.
44 . When conducting a vehicle inspection, you will need to identify all of the following, except:
The water compressor belt.
During the vehicle inspection test, you must check the power steering belt, water pump belt, alternator belt, and air compressor belt for snugness, cracks, or frays. If any of these components are not belt-driven, you must tell the examiner which one(s), and verify that they are operating properly, mounted securely, and not damaged or leaking.
45 . Drivers are usually the least alert:
In the afternoon.
Drivers are usually less alert when driving at night, especially after midnight.
46 . Roads are especially slippery right after it begins to rain because:
Roads are often especially slippery when it first begins to rain. Rainwater forms a slick film when mixed with oil and grease on the road surface that has not yet washed away.
47 . If you are approaching a law enforcement vehicle that is stopped on the right side of the road with its lights flashing, you should:
Drive on the shoulder to pass the vehicle.
When approaching an emergency vehicle that is stopped on the right side of the road, you should move into the left lane, if possible. If you cannot change lanes, slow down and pass the stopped vehicle with caution.
48 . If an aggressive driver is involved in a crash on the road ahead of you, you should:
Pull over and yell at the driver.
If you observe a crash involving an aggressive driver, you should stop a safe distance from the crash scene, wait for police to arrive, and inform them of the aggressive behavior you witnessed.
49 . The center of gravity in a trailer should be:
The weight of cargo in a vehicle should be distributed as low as possible. Having a center of gravity that is too high will increase the risk of a rollover.
50 . The penalty for a first-time violation of an out-of-service order is:
A license suspension for 10 years.
