20 Tests

CDL Class B Driving Test Online | Iowa 2021

Train for FREE online with our Iowa class B license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a IA CDL class B permit in 2021, practice as much as.. Read More

Train for FREE online with our Iowa class B license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a IA CDL class B permit in 2021, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class B requirements may vary from state to state.

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

When doing a pre-trip inspection on a vehicle with power steering, be sure to check the hoses, pumps, and fluid level. In particular, you should check the hoses for leaks.

2 . What is the average driver’s reaction time?

The average driver has a reaction time between three-quarters of a second and one second. At 55 mph, this corresponds to a distance of 61 feet traveled.

3 . When completing an offset back/right parking maneuver, you should:

If you are asked to complete an offset back/right parking maneuver, you should first pull straight forward, then back up to the right. Your vehicle must be parked completely within the boundaries of the parking space.

4 . During a pre-trip inspection, belts should be:

When inspecting your vehicle, you should check all belts for tightness and excessive wear.

5 . For a hazardous materials endorsement, an applicant will be required to:

To obtain a hazardous materials endorsement, you must submit your fingerprints and pass a background check.

6 . When mirrors are properly adjusted:

A properly adjusted mirror will show some portion of the vehicle. This will provide a point of reference to help the driver judge the distance of other objects to the vehicle.

7 . Within 10 minutes of stopping on the side of the road, you must:

If you must stop on the side of the road, you must place the appropriate emergency warning devices within 10 minutes of stopping.

Wait, before you go

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