When stopping, press down the brake pedal smoothly and gradually.

Press down the brake pedal gradually.

Press down the brake pedal quickly.

Press down the brake pedal gradually.

Lift up the brake pedal quickly.

When stopped on the side of the road, be sure to turn on your vehicle's four-way emergency flashers, especially during times of lowered visibility. Place warning devices within 10 minutes of being stopped.

Use your four-way emergency flashers to alert other motorists to your presence.

Rely on your taillights to alert other motorists to your presence.

Not worry about other motorists.

Use your four-way emergency flashers to alert other motorists to your presence.

In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.

When tank pressure falls below 60 psi.

When tank pressure falls below 120 psi.

When tank pressure falls below 60 psi.

When tank pressure falls below 10 psi.

When tank pressure falls below 5 psi.

When inspecting an exhaust system, you should verify that parts of the system are not loose, broken, or missing. The system's parts must be properly mounted and should not be rubbing against moving parts of the vehicle.

Rubbing against other parts of the vehicle.

Cargo that is improperly loaded or secured is a significant hazard to the driver, as well as others on or near the road.

Can be safer than properly loaded cargo.

If your vehicle begins to hydroplane, do not apply the brakes. Instead, slow down by releasing the accelerator and pushing in the clutch. This will help you to regain traction.

Turn the steering wheel as hard as possible.

Hydroplaning is an effect in which a vehicle's tires lose traction with the surface of the road and instead glide along a layer of water. There does not have to be a large amount of water on the road for this to occur. Hydroplaning can begin at speeds as low as 30 mph.

Can occur with a minimal amount of water on the roadway.

Usually happens when vehicles are traveling at speeds above 65 mph.

Can occur with a minimal amount of water on the roadway.

Class A Driving Test | Iowa 2025 #2 Page 7 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 2025, 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 2025 #2 Page 7 of 7

43 . When stopping, you should:

44 . When pulled over to the side of the road, you should:

45 . A low air pressure warning signal should activate:

46 . Exhaust system parts should be:

47 . Improperly loaded cargo:

48 . If your vehicle is hydroplaning, you should:

49 . Which of the following is not a sign of bad brakes?

50 . Hydroplaning:

See the exact questions that will be on the 2025 DMV exam.

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