Practice question

A Michigan applicant wants P authority for air-brake passenger buses and tests in a passenger vehicle with air-over-hydraulic brakes. What restriction issue should the applicant understand?

Testing in air-over-hydraulic brakes can lead to a no full air brake-equipped CMV restriction
Air-over-hydraulic brakes automatically remove all air brake restrictions
The P endorsement eliminates any brake restriction
Brake-door interlocks count as full air brakes for licensing

Answer: A — Testing in air-over-hydraulic brakes can lead to a no full air brake-equipped CMV restriction

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