InspectionPregunta 38 de 60

What is the purpose of checking the trailer's air tank drain and slack adjusters during inspection?

a.To confirm the tank is painted
b.To ensure the brakes are properly adjusted and moisture is drained so brakes work reliably
c.To check the trailer length
d.To grease the kingpin

Explicación

Draining the trailer air tank removes moisture and oil that can damage the system, and checking slack adjusters confirms the brakes are within proper adjustment. Out-of-adjustment brakes reduce stopping power. These checks help ensure the trailer brakes perform correctly.

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