Q
104. How should you check that your service brakes are working properly?
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AWait for normal air pressure, release the parking brake, move the truck forward slowly, and apply the brakes firmly using the brake pedal.
BCheck the brake lights to see if they are working.
CRev the engine and listen for any unusual sounds.
Detailed Explanation
The correct answer is "Wait for normal air pressure, release the parking brake, move the truck forward slowly, and apply the brakes firmly using the brake pedal.". This is based on federal CDL regulations and safety standards.
Correct Answer: Wait for normal air pressure, release the parking brake, move the truck forward slowly, and apply the brakes firmly using the brake pedal.
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