Part of the Personnel Training Publications series, the Ultrasonic Testing Classroom Training Book is designed to prepare Level I and Level II candidates for nondestructive testing certification in a classroom setting. The second edition includes new material on two techniques: phased array and time of flight diffraction. Also, a chapter on the guided wave method has been added. Other updates include enhanced coverage of material in accordance with CP-105 (2011) topical outlines for Levels I and II. Contents cover principles of acoustics, ultrasonic displays, transducer operation, calibration blocks, and ultrasonic testing applications.