Question Rough acceleration: Answers Is a good way to stay awake on long trips. Is distracting. Can cause mechanical damage. Explanation Rough acceleration can cause mechanical damage, so be sure to accelerate smoothly and gradually. This questions appears in the following tests: Alabama Class A Knowledge Test Alaska Class A Knowledge Test California Class B Knowledge Test Hawaii Class A Knowledge Test Maine Double Michigan Passenger Oklahoma Class B Knowledge Test Rhode Island Double Rhode Island Tank Washington Class B Knowledge Test