District Of Columbia cdl Bus - Test 2
Number of questions: 20
Passing score: 80%
Acceptable number of errors: 4
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.
To DMV Handbooks17. When inspecting engine compartment belts during the vehicle inspection test:
The belts should be checked for snugness, each with up to three inches of play.
The water pump belt does not need to be identified.
The air compressor belt should be removed.
The applicant must identify which items are not belt-driven, if any.