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Idaho 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 possible answer choices. Test questions come from the Idaho Commercial Driver’s 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.
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Passing grade —
10 or fewer errors
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1.
During a pre-trip inspection, belts should be:
Loosened.
Checked for tightness.
Scrubbed clean.
2.
Do not base your decision to shift gears on:
The speed of your engine (rpm).
The speed of the road (mph).
The actions of the vehicle next to you.
3.
During a basic vehicle control skills test, a look is when:
A driver checks the gauges on their instrument panel.
A driver checks their blind spots.
A driver walks to the back of their vehicle to check its position.
4.
When approaching a vehicle for a pre-trip inspection, a driver should look under the vehicle:
To see if the vehicle is on an incline.
To see if there are any fresh fluids on the ground.
To see if the vehicle is in a parking spot.
5.
During the vehicle inspection test, you will be asked to:
Change a tire.
Explain to the examiner what you are inspecting and why.
Estimate the weight of a load on a trailer.
6.
If you must back up, it is helpful to:
Drive as fast as possible to complete the maneuver quickly.
First walk the line of travel to look for obstacles.
Use only the passenger side mirror.
7.
When loading a trailer, it is important to:
Place as little weight as possible over the axles.
Place an appropriate amount of weight over the axles.
Not be concerned with how the cargo's weight is distributed.
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