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Utah CDL Permit Test - Knowledge Test Class B

(From the 2020 Utah CDL driver handbook)
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 two, three or four possible answer choices. Test questions come from the Utah Commercial Driver License Handbook. 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
When conducting a vehicle inspection, you must show each of the following, except:
That the oil pressure gauge is working.
That the oil pressure warning light turns off, or that the gauge shows increasing or normal oil pressure.
That the oil temperature gauge, if equipped, rises to the normal operating range.
That the oil pressure gauge comes on when brakes are used.
When starting an engine, oil pressure should come up to a normal level:
Within seconds.
Within five minutes.
After about three minutes.
If a vehicle begins to hydroplane, the driver should:
Release the accelerator and push in the clutch.
Pull in the clutch and brake.
The air compressor governor controls:
When the air compressor pumps air into the air storage tanks.
How fast air is pumped into the air storage tanks.
The temperature of air pumped into the air storage tanks.
The speed of the vehicle.
Driving too fast:
Is a major cause of fatal crashes.
Can be a good way to get to your destination quickly.
Should only be done if the roadway is dry.
Is acceptable in light traffic.
Excessive vibration may be a sign of tire failure.
A vehicle inspection:
Is a waste of time.
Is helpful in identifying minor issues before they become major problems.
Should not be done by the driver.
Should be performed once a month.
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