The Waterworks Mechanic 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: Installation and repair techniques relating to waterworks machinery, piping, instruments, and equipment; application and usage of different types of pumps, valves, piping and tubing, and related fittings; hydraulics, pneumatics, physical properties of metal; basic algebra; use and type of bearings and couplings; purpose, operations and functions of mechanical equipment; safety equipment, practices and procedures, and basic electrical, welding and mechanic principles and theories applied to diagnose operational or mechanical problems, use hand tools, power tools, welding equipment, and precision measuring devices; use standard hand signals as appropriate for type of equipment used; read and interpret blueprints, sketches and manuals; communicate in writing and other related areas.