PA State Inspection Mechanic Practice Test Questions With Expert Solutions

When should auxiliary driving lights be lit? - Only when high-beams are lit. When should flood lights be lit? - Only when low-beams are lit. How is the critical area of the windshield defined? - The area cleaned by the windshield wipers. How is the acute area of the windshield defined? - The area in the driver's normal line of vision—8 1/2 inches wide and 5 1/2 inches high. How is a light truck defined? - 11,000lbs or less registered vehicle weight. How is a medium truck defined? - 11,001lbs up to 17,000lbs registered vehicle weight. How is a heavy truck defined? - 17,001lbs and up registered vehicle weight. What indicator lights must be operational? - High-beam, Turn signals, and Hazard lights. How often are semi-annual inspections conducted? - Every 6 months.