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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..

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 four possible answer choices. Test questions come from the Colorado 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.

Passing grade:

There are blind spots ____ left and right side flat mirrors.

Explanation
There are blind spots immediately below and in front of each outside flat mirror. These mirrors have another blind spot directly behind the rear bumper.

When stopping to pick up students, a bus driver should:

Explanation
When stopping to pick up students, a school bus should be put in park. If the transmission does not have a park shift point, the vehicle should instead be placed in neutral.

During a basic vehicle control skills test, you may be asked to:

Explanation
Maneuvers that may be included in the basic vehicle control skills test include straight line backing, offset back/right parking, offset back/left parking, driver side parallel parking, conventional parallel parking, and alley docking.

When taking the on-road driving test, you will be evaluated on your lane usage. Which of the following is an example of poor lane usage?

Explanation
During the on-road driving skills test, make sure you do not put your vehicle over curbs, sidewalks, or lane markings. Stop behind stop lines, crosswalks, or stop signs. On multiple-lane roads, complete turns in the proper lane. Always move to or remain in the rightmost lane, unless the lane is blocked.

When alley docking, your vehicle should be parked:

Explanation
If you are asked to alley dock, you should first pull past the alley and stop your vehicle in a position that is parallel to the outer boundary. From there, you should back your vehicle entirely into the alley parking area. Your vehicle should be parked in a straight position within the boundaries of the parking space.

Before evacuating a bus in response to a hazard, a driver should:

Explanation
In most emergency situations, students will be the safest and the easiest to supervise if they are not evacuated from the school bus. If there is time, the driver should contact their dispatcher to explain the emergency situation before making the decision to evacuate.

During the steering box portion of the vehicle inspection test, you should not:

Explanation
Before a trip, ensure that the steering box is securely mounted. Check for missing nuts, bolts, and cotter keys. Be sure that there are no power steering fluid leaks and that there is no damage to power steering hoses.
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