When it comes to the master plumber certification exam,veteran plumbers will find no better book to help them study for this extremely difficult test. Written by an experienced master plumber,this superlative guide has an important advantage over similar books: It concentrates exclusively on the master plumber's test rather than combining it with the journeyman plumber's licensing test-two widely different exams. Supplemented throughout with handy codes,charts and illustrations,this volume covers basic principles and reviews certification requirements. The author teaches theories and techniques and includes comprehensive coverage of the inspections and permitting processes. Sample multiple-choice and true/false test questions are provided.