Iowa DMV CDL School Bus Quick Practice Test

Iowa DMV CDL School Bus Quick Practice Test For 2024

CDL Class A, B or C. Complete CDL driver training course. All the questions in this test are from the official DMV written exam. You can use our free online tests to evaluate how likely you are to pass the official DMV test. Or you can just cut to the chase and increase your chances of passing by upgrading to Premium Membership and unlock official DMV tests. In addition, you will also receive a master cheat sheet which contains all your state’s DMV questions and answers. Premium membership also unlocks a smart tracker which keeps an inventory of all incorrectly answered questions for easy, fast and effective revision. Practice with our free tests or hit Upgrade button below for premium access and increase your chances of passing your DMV written exam.

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Quick Facts:

Number of Questions – 20

Passing Percentage – 80%

Test Type – Free Test

1. Students loading and unloading a bus:

Is simple and does not need to be supervised.
Can be dangerous and should be supervised.
May be done without the bus driver present.

2. After students unload at the school, a driver should:

Not be concerned with the students' whereabouts.
Leave after the students have entered the school building.
Walk through the bus to check for any sleeping students.

3. Having ABS on only one axle:

Can be dangerous.
Still allows you additional control when braking.
Slows the vehicle, but cannot stop it.

4. Properly adjusted outside mirrors should allow a bus operator to see how far behind their bus?

One bus length
Two bus lengths
Three bus lengths
Four bus lengths

5. The overhead inside rearview mirror:

Allows the driver to see what is happening inside of the bus.
Allows the driver to see what is happening outside of the bus.
Monitors traffic.
Opens and closes the door.

6. A properly adjusted flat mirror should allow the driver to see:

The rear tires touching the ground.
The front tires touching the ground.
Only the roadway and no parts of the bus.
The front bumper.

7. What kind of brakes do most newer heavy-duty trucks use?

Single air brakes
Dual air brakes
Triple air brakes

8. When conducting a vehicle inspection, you will need to identify all of the following, except:

The power steering belt.
The water pump belt.
The alternator belt.
The water compressor belt.

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