What is the Principle of Ultrasonic Testing (UT)? | Best NDT Institute #ANDT #NDT In this video, we explain the principle of Ultrasonic Testing (UT). Learn how high-frequency sound waves are used to detect internal defects in materials, offering precise results for quality control and structural integrity. #UltrasonicTesting #UT #NonDestructiveTesting #SoundWaveTesting | ANDT - Advanced Institute of Nondestructive Testing & Training | Facebook