Dry bulk tanks require special care to be driven, both because they have high centers of gravity and because the weight of the load can shift in transit.

Take special care to be driven.

Cannot be driven on interstates.

Take special care to be driven.

Are usually not allowed to cross railroad tracks.

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.

If you must drive in reverse, you should first walk around your vehicle to look at the path of travel and check for obstacles. Because mirrors have blind spots, you cannot rely exclusively on them. It is recommended to use a helper whenever possible.

You should first walk the area to become more familiar with obstacles.

You should rely on your mirrors to guide you.

You should first walk the area to become more familiar with obstacles.

You should look straight ahead.

While regular mirror checks should be a part of your driving routine, it is particularly important to check your mirrors when changing lanes, turning, merging, and making tight maneuvers.

To determine how fast you are traveling.

Class A Driving Test | Iowa 2024 #1 Page 6 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 6 of 7

36 . How many daily hours of sleep does an adult need to maintain alertness?

37 . The two markings on a front brake limiting valve usually read:

38 . Dry bulk tanks:

39 . A low air pressure warning signal should activate:

40 . If your vehicle is hydroplaning, you should:

41 . If backing a truck:

42 . You should not use your mirrors:

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