If a parked trailer does not have spring brakes, you should keep the trailer from moving by: Question If a parked trailer does not have spring brakes, you should keep the trailer from moving by: Answers Having the vehicle parked against a wall or other vehicle. Using chock blocks. Parking on a slight incline. Explanation If a parked trailer does not have spring brakes, wheel chocks should be used to prevent it from moving. This questions appears in the following tests: Arizona Combination Iowa Tank Iowa Combination Kentucky Combination Louisiana Combination Minnesota Combination Missouri Combination New Mexico Combination Rhode Island Combination Rhode Island Combination
