SGI Class 1 Practice Questions - Saskatchewan Class 1 Commercial Driver Licence Written Exam

When checking brake adjustment during a pre-trip inspection, what must you do first?

Turn on the engine and put the vehicle in high gear Chock the wheels, release the parking brakes, and ensure the air system is at normal operating pressure Fully apply the hand control valve while the truck is moving Raise the entire truck on hydraulic jacks

Correct Answer:

Chock the wheels, release the parking brakes, and ensure the air system is at normal operating pressure

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