Oregon DMV CDL General Knowledge Quick Practice Test 2

Oregon DMV CDL General Knowledge Quick Practice Test 2 For 2024

CDL Class A, B or C. Complete CDL driver training course. All the questions in this test are from the official DMV written exam. You can use our free online tests to evaluate how likely you are to pass the official DMV test. Or you can just cut to the chase and increase your chances of passing by upgrading to Premium Membership and unlock official DMV tests. In addition, you will also receive a master cheat sheet which contains all your state’s DMV questions and answers. Premium membership also unlocks a smart tracker which keeps an inventory of all incorrectly answered questions for easy, fast and effective revision. Practice with our free tests or hit Upgrade button below for premium access and increase your chances of passing your DMV written exam.

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Quick Facts:

Number of Questions – 20

Passing Percentage – 80%

Test Type – Free Test

1. In very hot weather, tires should be checked regularly because:

They may melt.
Air pressure may increase with the temperature.
The tread wears down more quickly than in cooler weather.

2. To determine if a vehicle can handle a load, you must know:

The vehicle’s suspension rating.
The tire rating for the front tires only.
The tire rating for the rear tires only.

3. Which of the following is not a sign of fatigue?

Ability to focus
Daydreaming
Yawning repeatedly
Drifting from your lane

4. How often does a truck with a gross weight of more than 8,000 pounds need to be inspected?

Every four months
Semi-annually
Every three years
Every five years

5. The two indicators that determine when you should upshift are:

Engine speed and road speed.
Other trucks and road conditions.
Timing and road position.
Oil pressure and air brake pressure.

6. When checking windshield wiper blades, they should be:

Soft.
Secure.
Brittle.

7. You are especially likely to encounter strong winds when:

Coming out of tunnels.
Going into tunnels.
Driving on shoulders.

8. Why do you need to drain air tanks regularly?

Because the air gets old and needs to be replaced
Because compressed air contains some water which must be drained from the tanks
To allow for a change in air pressure
To remove bad air from the tanks

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