Iowa DMV CDL General Knowledge Quick Practice Test 1

Iowa DMV CDL General Knowledge Quick Practice Test 1 For 2022

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. When checking the exhaust system, it should be:

Loose.
Leaking.
Fastened securely.
Cracked.

2. When driving, being aware of what is happening behind you is:

Not important.
Important.
Distracting.

3. 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.

4. When are people usually the least alert?

In the morning
In the early evening
Late at night

5. When checking the springs during a vehicle inspection, do all of the following, except:

Look for missing leaf springs.
Look for broken coil springs.
Ensure torsion springs are not damaged.
Glue cracked leaf springs.

6. Intrastate carriers must have what information displayed on both sides of their vehicle?

The permit number
The model number of truck
The maximum weight allowed
The destination

7. A vehicle that is smaller than your vehicle:

Will usually be able to stop faster than your vehicle.
Will usually take more time to stop than your vehicle.
Will take about the same amount of time to stop as your vehicle.

8. If you are driving at a reduced speed in a construction zone when you spot a construction worker near the road, you should:

Speed up.
Stay at your current speed.
Further reduce your speed.

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