New York CDL Double/Triple Trailers Practice Test

A driver is reviewing air-flow securement. Which answer matches official New York DMV or FMCSA guidance?

use only the clutch pedal use only an unlocked pintle hook use the tractor parking brake and/or chock wheels during the air-flow check use no securement if the engine idles

Correct Answer:

use the tractor parking brake and/or chock wheels during the air-flow check

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