{"product_id":"2940013582231","title":"CDL Practice Test Study Guide: Combination Vehicles","description":"This CDL practice test study guide contains information for those drivers who operate a combination of vehicles with a GVWR of 26,001 or more pounds provided the GVWR of the vehicle(s) being towed is in excess of 10,000 pounds GVW, which includes ALL Class \"A\" license applicants.\u003cbr\u003e\u003cbr\u003e49 CFR 383.111\u003cbr\u003eOperators for the combination vehicle group shall have knowledge of:\u003cbr\u003e\u003cbr\u003eCoupling and uncoupling — The procedures for proper coupling and uncoupling a tractor to semi-trailer.\u003cbr\u003e\u003cbr\u003eVehicle inspection — The objectives and proper procedures that are unique for performing vehicle safety inspections on combination vehicles.\u003cbr\u003e\u003cbr\u003eSections of this CDL Practice Test Study Guide include:\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eDriving Combination Vehicles\u003cbr\u003eCombination Vehicle Air Brakes\u003cbr\u003eCoupling \u0026amp; Uncoupling\u003cbr\u003eInspecting Combinations\u003cbr\u003eSample Test  \u003cbr\u003eSample Test Answers\u003cbr\u003ePre-Trip Inspection Memory Aid","brand":"CDL Digest","offers":[{"title":"Default Title","offer_id":47147585601776,"sku":"2940013582231","price":1.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940013582231_p0.jpg?v=1763594041","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940013582231","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}