Poorly balanced cargo can cause a vehicle to be difficult to handle. Keep weight distribution in mind when loading cargo.

Can negatively affect handling.

An Anti-Lock Braking System (ABS) helps prevent wheels from locking up during a hard application of brakes.

Allow drivers to stay in control when braking.

Are only used on tucks carrying hazardous materials.

Allow drivers to stay in control when braking.

Always observe posted speed limits for work zones. Slow down if road or weather conditions are adverse, and slow down even more if workers are on or near the road.

Steer with one hand and keep the other hand free.

A load of cargo must be properly balanced. Placing too much weight over an axle can damage the axle and make it more difficult for you to steer. Placing too little weight over an axle can cause poor traction, also leading to difficult handling.

Place a well-balanced amount of weight over the axles.

Place as little weight as possible over the axles.

Place a well-balanced amount of weight over the axles.

Place weight over only the axles.

Parking brakes should be used whenever you park. If necessary, chock your wheels.

The parking brake should be applied.

The air brakes should be applied.

The parking brake should be applied.

Brakes should not be applied if the vehicle is left out of gear.

Class A Driving Test | Iowa 2024 #1 Page 2 of 7

Train for FREE online with our Iowa class A 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 A permit in 2024, 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 A requirements may vary from state to state.

Number of Question 50

Passing Score 40

Number of Tests 20

Class A Driving Test | Iowa 2024 #1 Page 2 of 7

8 . Causing a fatality through negligent operation of a CMV will result in the loss of your CDL for a minimum of:

9 . Poor weight balance:

10 . If your brakes fail on a downgrade, your best hope to stop is to:

11 . Anti-Lock Braking Systems (ABS):

12 . When traveling through a work zone, you should:

13 . When loading a trailer, it is important to:

14 . When leaving your vehicle:

Search the best driving school in your neighbourhood

Wait, before you go