When driving, you should regularly check your mirrors, both to be aware of traffic and to check for problems on your own vehicle.

Checked only when changing lanes.

Checked only if there is a reason to suspect a problem.

Always speed up smoothly and gradually so that your vehicle does not jerk. Rough acceleration can cause mechanical damage.

Is necessary to warm up parts of a vehicle.

Is encouraged to improve a vehicle's gas mileage.

A person cannot have more than one driver license at a time. States share information through a computer database to ensure that no person has more than one license. Violation of this law could result in fines or jail time.

Not have more than one license.

Have more than one license if one is for business purposes.

Have more than one license if they are issued by different states.

Not have more than one license.

Because air pressure increases as air expands in the heat, it is important to monitor your tire pressure when driving in very hot weather. To prevent the engine from overheating, there must be an adequate amount of oil in the engine, as well as enough water and antifreeze in the cooling system. Antifreeze is helpful for the engine in both hot and cold weather.

The engine oil can help to keep the engine cool.

The air pressure in tires will decrease.

The engine oil can help to keep the engine cool.

In heavy traffic, it is safest to travel at the same speed as other vehicles. If two vehicles continue to drive in the same direction at the same speed, they cannot hit each other.

The same speed being driven by surrounding traffic.

Slower than the speed being driven by surrounding traffic.

The same speed being driven by surrounding traffic.

Faster than the speed being driven by surrounding traffic.

Class B Driving Test | Iowa 2024 #2 Page 2 of 7

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 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 B requirements may vary from state to state.

Number of Question 50

Passing Score 40

Number of Tests 20

Class B Driving Test | Iowa 2024 #2 Page 2 of 7

8 . Mirrors should be:

9 . Rough acceleration:

10 . You may:

11 . When driving in hot weather:

12 . How much distance will an air brake-equipped vehicle need to come to a complete stop if it is traveling at 55 mph under ideal driving conditions?

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

14 . When in heavy traffic, the safest driving speed is:

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