Health Care > EXAM > ASNT Level 1 UT Study Guide Basic | All Answers are Correct (All)
the back-surface reflection. Correct Answer: 1. The indication on the instrument display that represents the far boundary of material being tested is called: angulation. Correct Answer: 2. In imm... ersion testing, the position of the transducer is often varied by a manipulator to transmit sound into the test part at various angles to the front surface. Such a procedure is referred to as: coaxial cable Correct Answer: 3. The technical name for the cable that connects the ultrasonic instrument to the transducer is: calibration. Correct Answer: 4. The process of standardizing an instrument or device by using a reference standard is called: longitudinal wave. Correct Answer: 5. Another name for a compressional wave is: surface waves. Correct Answer: 6. Another name for rayleigh waves is : a couplant. Correct Answer: 7. A material used between the face of a transducer and the test surface to permit or improve the transmission of ultrasonic vibrations from the transducer to the material being tested is called: crystal. Correct Answer: 8. The piezoelectric material in a transducer that vibrates to produce ultrasonic waves is called a straight beam testing. Correct Answer: 9. Ultrasonic testing of material where the probe is in direct contact with the material being tested may be: is one of the most efficient receivers of ultrasonic energy Correct Answer: 10. An advantage of using lithium sulfate in transducers is that it: 25 MHz transducer Correct Answer: 12. The transducer that contains the thinnest piezoelectric crystal is a: 1 MHz Correct Answer: 13. Penetrati [Show More]
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