ASNT Level III: Liquid Penetrant Testing 4 of 5 7.12 Liquid penetrant testing used for mai ntenance testing of cracks on aircraft must have the highest sensitivity. Which of the following penetrant techniques is the most sensitive? - ✔✔Type I, Method B, level 3 penetrant, solvent removed, solvent suspended developer 7.13 The first step in evalu ating the use of penetrant on a plastic material is to: - ✔✔check the compatibility of the penetrant test materials with the plastic 7.14 Which of the following nonmetallic items can be tested with penetrants? - ✔✔all of the above (Distributor caps; Spark plug insulators; Nylon orthopedic implants) 7.15 Which of the following liquid penetrant testing techniques is most used for in -service aircraft - ✔✔A high sensitivity, solvent removed technique 7.16 The most economical approach for applying penetrant t o small parts with complex shapes and interior cavities is: - ✔✔with electrostatic spray 8.1 Process control of penetrant testing is concerned with: - ✔✔all of the above (The materials; the equipment; the procedure; the inspector) 8.2 The frequency of pr ocess controls is by: - ✔✔the workload of the penetrant process. 8.3 A reference sample at a facility with a working penetrant line is a: - ✔✔sample of in use penetrant when it was first received. 8.4 Deterioration of new penetrant during largely caused by: - ✔✔both a and b above (time; storage conditions) 8.5 Penetrant in aerosol containers are most affected by: - ✔✔leakage of propellant. 8.6 The most popular sensitivity test specimen mainly for comparing in -service penetrant with a sample of fresh unused penetrant is a: - ✔✔cracked aluminum block 8.7 In most cases, penetrant quality control determined tests are comparison tests. The comparison standard is obtained from: - ✔✔an unused batch of pe netrant or emulsifier 8.8 The reason for making quality control tests of in -service penetrant materials is: - ✔✔all of the above (to determine whether the penetrant material being used can detect discontinuities as well as the new penetrant materials; to determine whether the penetrant removal system provides a minimum storage is background without over -removal; to determine whether the materials act as effectively as the laboratory procedure requires)
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