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. Take a FREE Practice Test Now This questions appears in the following tests: Georgia Knowledge Test Class A , Kansas Knowledge Test Class A , Mississippi Knowledge Test Class B , New Jersey Knowledge Test Class B , Utah Knowledge Test Class B ,