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Nevada CDL Permit Test - Knowledge Test Class B

Number of questions: 50
Passing score: 40
Directions: This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 or more people (including the driver). To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has three or four possible answer choices. Test questions come from the Nevada Commercial Driver License Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving.. Endorsements that may be used with a Class B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
You have made error so far
Passing grade —
10 or fewer errors
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1.
Overloading a vehicle with cargo can affect all of the following, except:
Steering.
Braking.
Speed control.
Cruise control.
2.
If a vehicle is equipped with power steering, you should inspect:
The hoses.
The pumps.
Both of the above.
3.
When a vehicle is started:
The brakes should be locked up.
Warning lights should turn on, then quickly turn off.
The coolant temperature should decrease.
The hood must be open.
4.
When driving under wet conditions, what does a lack of spray from other vehicles indicate?
Ice has formed on the road.
The pavement is dry.
The spray is caught on the underside of the vehicle.
The tires have soaked up all the moisture.
5.
What must be on an air tank in an air-braked vehicle?
A check valve
A lock
A trap door
An oxidizer
6.
Radial and bias-ply tires:
Should be used together on all axles.
Should be used together, but only on the rear axle.
Should not be used together.
7.
If approaching a railroad crossing while driving a placarded vehicle, you should always:
Activate your four-way flashers.
Stop within five feet of the tracks.
Change gears while on the tracks.
Change lanes while on the tracks.
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