Pennsylvania CDL Double/Triple Trailers Practice Test

What should be checked about the air and electrical lines between the lead trailer and dolly?

They are connected, supported, not dragging, not pinched, and have turn clearance They are disconnected until after entering traffic They are stretched tight to prevent movement They are routed under the dolly tires

Correct Answer:

They are connected, supported, not dragging, not pinched, and have turn clearance

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