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Q What are the commonly used non-destructive testing methods?
A (1) Radiographic inspection
(2) Ultrasonic inspection
(3) Magnetic particle inspection
(4) Penetration inspection
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Q What kinds of pressure tests are there?
A (1) Hydrostatic test
(2) Air pressure test
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Q What are the common defects of cold-worked components?
A (1) Size error
(2) Shape error
(3) Surface defect
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Q What are the types of inspection templates?
A (1) Inner template
(2) Outer template
(3) Three-dimensional template
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Q What are the categories of fixtures according to their uses?
A (1) Universal fixture
(2) Assembly mold base
