This test is a study guide to assist those who wish to pass Stationary Engineer and Fireman licensing exams, including Diesel Engineer examinations. The test questions and answers were initially developed to guide aspiring Engineers to pass the Los Angeles, California written and oral exams. However, these tests can be used effectively to pass Fireman and Engineer examinations nationwide, including the all important employment interviews. For well over 14 years Steam and Diesel Power Plant Operators Examinations has sold consistently. The reason being is the book works. It precisely simulates what you can expect to face when taking exams. With over 1,400 test questions and answers, it covers a vast area which leaves examiners little room to create new 'trick' exams.