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Iowa CDL Permit Test - Bus

(From the 2020 Iowa CDL driver handbook)
Number of questions: 20
Passing score: 16
Directions: This endorsement is required for driving a school bus. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. To pass, the applicant must answer at least 16 questions correctly. Each question has three possible answer choices. Test questions come from the Iowa Commercial Driver License Manual. Questions come from chapters covering School Buses, Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving. The School Bus endorsement can be used with the Class A, B or C CDL.
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Passing grade —
4 or fewer errors
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1.
If you must drive during periods of high winds, you should:
Loosen your grip on the steering wheel.
Increase your speed.
Reduce your speed.
2.
The overhead rearview mirror is located:
On the right side of a bus.
On the steering wheel of a bus.
Above the windshield inside a bus.
3.
The overhead inside rearview mirror should be positioned to show:
The rear tires.
All of the students on the bus.
The floor of the bus.
4.
During the driving test, when encountering a railroad crossing, you should:
Pass another vehicle on the tracks if the other vehicle is going too slow.
Get out of the vehicle to check for a train.
Not change gears while your vehicle is on the tracks.
5.
ABS helps you:
Lock up your wheels.
Keep your wheels from locking up.
Count the number of students boarding the bus.
6.
Bus stops may be changed by:
The driver.
Parents.
The school district.
7.
During a basic vehicle controls skills test exercise, your vehicle's final position should be:
In the general area that was described by the examiner.
In the exact final position described by the examiner.
Within three feet of the final position described by the examiner.
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