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:

Related MCQs

• During immersion ultrasonic testing of pipe or tubing, spurious echoes may be caused by:
• 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:
• In immersion testing, the position of the search unit is often varied to transmit sound into the test part at various angles to the front surface. Such a procedure is referred to as:
• In immersion testing, verification that the search unit is normal to a flat entry surface is indicated by:
• It is possible for a discontinuity smaller than the transducer to produce indications of fluctuating amplitude as the search unit is moved laterally if testing is being performed in the:
• A calibration for immersion ultrasonic testing of pipe or tubing should establish a transducer position such as:
• Flux density is a measure of the number of magnetic flux lines perpendicular to an area of cross-section. If a discontinuity is in the plane of the unit area, the strongest magnetic article indication will be formed when the discontinuity is:
• During immersion testing of pipe or tubing the incident longitudinal wave angle must be limited to a narrow range. The reason for the upper limit is:
• Ultrasonic testing of material where the search unit is in direct contact with the material being tested may be:
• What type of search unit allows the greatest resolving power with standard ultrasonic testing equipment?