Rough acceleration: Question Rough acceleration: Answers Can damage a vehicle. Is necessary to warm up parts of the engine. Is encouraged to improve gas mileage. Should be done on surfaces with poor traction. Explanation Accelerate smoothly and gradually. Rough acceleration can cause mechanical damage. This questions appears in the following tests: Colorado Double Indiana Class B Knowledge Test Indiana Passenger New Hampshire Class B Knowledge Test New Jersey Class B Knowledge Test North Dakota Class A Knowledge Test Texas Tank West Virginia Double Wyoming Double
