The Auto Machinist Passbook® prepares you for your test by allowing you to take practice exams in the subjects you need to study. It provides hundreds of questions and answers in the areas that will likely be covered on your upcoming exam, including but not limited to: construction and operation of gasoline automotive components such as engines, transmissions, gearing, fuel systems, etc.; tools, shop equipment and techniques commonly used in effecting overhaul and reconstruction of such components; heat treatment; shop math; reading comprehension; safety; and more.