The Mechanical Estimator 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: principles, procedures and methods used in preparation of estimates for building mechanical and electrical systems; materials and equipment used in heating, ventilating, air conditioning, refrigeration, plumbing, lighting, power, and other building mechanical and electrical systems; interpretation of drawings and specifications, including computations used in estimating; contract, specification and design requirements; construction economics, cost analysis, and change order review; and more.