DMV Cartedefr · Idaho · cdl · Bus Test 1

Idaho cdl Bus - Test 1

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 three possible answer choices. Test questions come from the Idaho Commercial Driver’s License Manual. Questions come from chapters covering: Safety, Passengers, School Buses, Cargo, Air Brakes, 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 Handbooks

1. What tells you how much pressure is in your vehicle's air tanks?

A

The supply pressure gauge

B ×

The ABS malfunction lamp

C ×

The tractor protection valve

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