Question If a load is 40 feet long, it should be secured by at least ____ tie-downs. Answers Two Three Four Explanation Cargo should be restrained by at least one tie-down for every 10 feet of cargo. However, all cargo should have at least two tie-downs, no matter the size of the cargo. This questions appears in the following tests: Arizona Class A Knowledge Test Iowa Class B Knowledge Test Missouri Class B Knowledge Test Montana Class A Knowledge Test Washington Class A Knowledge Test Washington Class B Knowledge Test Wisconsin Class B Knowledge Test