Question A cargo cover that flaps in transit: Answers Is acceptable. Allows air to get to the cargo to keep it cool. Can tear away. Can attract birds. Explanation Cargo covers should not flap in the wind. A flapping cover could tear loose entirely, exposing the cargo, and potentially blocking your view or the view of other drivers. Take a FREE Practice Test Now This questions appears in the following tests: New Jersey Knowledge Test Class A , West Virginia Knowledge Test Class B , Tennessee Bus ,