LK DMT Heavy Vehicle Written Practice Questions - Sri Lanka Department Of Motor Traffic Heavy Vehicle Written Test Exam

Why must the air brake reservoir tanks on a heavy commercial lorry be drained daily by the driver?

To prevent the air pressure from escaping through the tires To remove water and oil that can freeze or corrode the brake system To adjust the tension of the brake pedal mechanism To clean the internal air filter of the diesel engine

Correct Answer:

To remove water and oil that can freeze or corrode the brake system

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