Question The front of an enclosed trailer should: Answers Be swept clean. Contain rags. Not be used for cargo. Be free of cracks. Explanation When inspecting an enclosed trailer as a part of the vehicle inspection test, check the front area of the trailer for signs of damage, such as cracks, bulges, or holes. Take a FREE Practice Test Now This questions appears in the following tests: New Hampshire Knowledge Test Class B , South Dakota Bus , Kansas HazMat , North Dakota HazMat ,