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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 Washington D.C. 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:

When checking the springs during a vehicle inspection, do all of the following, except:

Explanation
When checking the springs as part of the vehicle inspection test, you should look for missing, shifted, cracked, or broken leaf springs, as well as broken or distorted coil springs. If the vehicle is equipped with torsion bars, torque arms, or other types of suspension components, ensure that they are not damaged and are mounted securely.

If approaching a railroad crossing while driving a placarded vehicle, you should always:

Explanation
If approaching a railroad crossing while driving a transit bus, school bus, or placarded vehicle, special procedures apply. Before crossing, stop your vehicle within 50 feet of, but not less than 15 feet from, the nearest rail. Activate your four-way flashers while crossing. Do not stop, change gears, or change lanes while any part of your vehicle is proceeding across the tracks.

When unloading students at a school, the driver should:

Explanation
When dropping children off at a school, the bus driver should secure the bus by turning off the ignition. The driver should remove the key if they leave the driver's compartment.

Your vehicle's final position should be:

Explanation
You should finish each exercise with your vehicle in the exact position described by the examiner. You can be penalized for failing to complete an exercise exactly in the manner described by the examiner, potentially resulting in failure of the basic control skills test.

Failing to exit your vehicle properly during an exercise in the basic vehicle control skills test will result in:

Explanation
When exiting your vehicle during the basic vehicle control skills test, you must face the vehicle and maintain three points of contact at all times. If your testing vehicle is a bus, you must maintain contact with the handrail. Exiting the vehicle incorrectly may result in automatic failure of the basic control skills test.

Properly adjusted mirrors on a school bus allow the driver to see ____ behind the bus.

Explanation
Proper mirror adjustment is vital to the safe operation of a school bus. A bus's flat mirrors should be adjusted so the driver is able to see 200 feet, or four bus lengths, behind the bus.

When taking the on-road driving test, you must do all of the following, except:

Explanation
During the on-road driving test, you must drive in a safe and responsible manner; wear your safety belt; obey all traffic signs, signals, and laws; and complete the test without any accidents or moving violations.
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