Bus

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.. Read More

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 Louisiana Commercial Driver License Manual. Questions come from chapters covering Transporting PAssengers, Air Brakes, 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.

Number of Question
Passing Score

8. With the exception of the straight line backing exercise, a driver may exit their vehicle and check its position during testing exercises up to:

Explanation
A driver is allowed to exit their vehicle to check its position during any basic vehicle control skills test exercise. This action is called a "look." During the straight line backing exercise, a driver may not exceed one look. During any other exercise, a driver may not exceed two looks.

9. A safety valve is set to open at ____ pounds per square inch (psi).

Explanation
The safety valve protects air tanks and the rest of an air brake system from accumulating too much air pressure. The safety valve is usually set to open at 150 psi.

10. When approaching a drawbridge with a green light:

Explanation
A bus does not need to stop before crossing a drawbridge controlled by a green signal light. The driver should still slow down and verify that it is safe before crossing.

11. Air tank drains should:

Explanation
Compressed air in an air brake system usually contains a certain amount of water and compressor oil. The water and oil can damage the brakes if left to accumulate in the system. Manually operated air tank drains must be opened daily to remove this build-up.

12. When driving with passengers, a bus driver should:

Explanation
To avoid becoming distracted, a bus driver should not engage in conversation with passengers.

13. Truck tractors with air brakes built on or after March 1, 1997 must have:

Explanation
Truck tractors with air brakes built on or after March 1, 1997, and other vehicles with air brakes built on or after March 1, 1998, must be equipped with anti-lock brakes.

14. Fueling a bus while passengers are on board is:

Explanation
A bus should not be refueled while passengers are on board unless it is absolutely necessary. In particular, a bus with passengers on board should never be refueled inside an enclosed building.
DMV Writen Test Logo