Question A cargo cover that flaps while you are driving: Answers Is acceptable. Allows air to keep the cargo cool. Can tear away. Can attract birds. Explanation If cargo is covered, the cover should not flap in the wind in transit. The cover could tear loose, uncovering the cargo while potentially blocking your view or the view of others. This questions appears in the following tests: District Of Columbia Class B Knowledge Test Indiana Class B Knowledge Test West Virginia Class A Knowledge Test