Iowa DMV CDL Doubles / Triples Quick Practice Test

Iowa 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. Be sure that your wheel bearing/seals are:

Not leaking.
Shiny.
Rusted.

2. If confronted by an aggressive driver, you should:

Make eye contact to better communicate with them.
Ignore their gestures.
Not move out of their path of travel.

3. If a tire rim is damaged, it should be:

Left on the vehicle.
Welded to repair the damage.
Replaced.
Put on the axle farthest from the driver.

4. If an aggressive driver is involved in a crash on the road ahead, you should:

Stop and confront the driver.
Stop a safe distance from the crash scene, wait for police to arrive, and tell them of the driver's behavior.
Block the driver in with your vehicle.

5. When driving down a steep grade:

You should ride your brakes all the way down.
Shift into a higher gear as a way to slow down your vehicle.
Shift into lower gears as a way to slow down your vehicle.
The truck should be put in neutral as a way to slow down your vehicle.

6. When checking its automatic transmission fluid, the vehicle:

Should be placed on an incline.
Should be placed on a decline.
May have to be running.
Should be lifted with a jack.

7. Which of the following is not another name for convex mirrors?

Fisheye mirrors
Spot mirrors
Bug-eye mirrors
Flat side mirrors

8. If an unusual noise or feeling occurs in a vehicle while it is being driven, the driver should:

Assume it is not a concern and continue driving.
Hope the vehicle does alright until it is switched to another driver.
Check the situation to determine the proper solution.

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