The Plumber Passbook(R) 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: materials
and methods used in plumbing work; usage of tools, fittings and
equipment of plumbing work; building code; plan reading; mathematics;
and more.