Idaho DMV CDL Doubles / Triples Quick Practice Test

Idaho DMV CDL Doubles / Triples Quick Practice Test 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. Which of the following is not a type of distraction?

Physical
Mental
Obtuse

2. If driving a vehicle with a manual transmission, you can prevent your vehicle from rolling backward when starting from a stop by:

Partly engaging the clutch before removing your foot from the brake pedal.
Placing the vehicle in reverse before moving forward.
Fully engaging the clutch before removing your foot from the brake pedal.
Placing the vehicle in neutral before moving forward.

3. When driving down a steep grade, your brakes may fade. What happens if brakes fade?

They become quieter.
They become less effective.
They work better than usual.
They work differently from front to back.

4. You should check and adjust your mirrors:

Before driving.
While driving.
After driving.

5. What helps prevent wheel lockup when braking?

An Anti-Lock Braking System (ABS)
Air brakes
An alternator

6. The minimum size of placards identifying hazardous materials is:

Four inches.
Six and one-quarter inches.
Nine and three-quarter inches.
10 and three-quarter inches.

7. When checking power steering hoses during a pre-trip inspection, you should look for:

Leaks.
Secure connections to the battery.
Extra hose pieces available for repairs.

8. Spring brakes come on:

When too much air pressure is lost.
When a control on the dashboard is activated.
When the tires have minimal tread depth.
When the brakes are noisy.

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