The piezoelectric material in a search unit which vibrates to produce ultrasonic waves is called:

Related MCQs

• AA material used between the face of a search unit and the test surface to permit or improve the transmission of ultrasonic vibrations from the search unit to the material being tested is called:
• Sound waves of a frequency beyond the hearing range of the human ear are referred to as ultrasonic waves or vibrations, and the term embraces all vibrational waves of frequency greater than approximately:
• Ultrasonic testing of material where the search unit is in direct contact with the material being tested may be:
• Which of the following methods are used to produce ultrasonic waves?
• The velocity of surface waves is approximately shear waves in the same material.
• The cable that connects the ultrasonic instrument to the search unit is specially designed so that one conductor is centred inside another. The technical name for such a cable is:
• During ultrasonic testing by the immersion method, it is frequently necessary to angulate the search unit when a discontinuity is located at an angle in order to:
• An ultrasonic test using a straight beam contact search unit is being conducted through the thickness of a flat part such as a plate. This test should detect:
• What type of search unit allows the greatest resolving power with standard ultrasonic testing equipment?
• Which of the following is the most durable piezoelectric material?