CSWIP 3.1: Question with Answer and Explanation – Part 6

1) For ultrasonic testing, which of the following statements is true? a. It is easy to identify all defects b. ( answer ) The equipment should be calibrated before use c. The equipment cannot be automated d. Sound waves will not travel through copper UT Disadvantages: Trained and skilled operator required Requires high operator skill … Continue reading CSWIP 3.1: Question with Answer and Explanation – Part 6

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CSWIP 3.1: Question with Answer and Explanation – Part 5

1) With which of the following NDE processes is it possible to detect both surface and slight sub-surface defects up to 2mm below the surface: a. Visual b. Dye penetrant c. ( answer ) Magnetic particle using DC d. Magnetic particle using AC See below, you can know why choose "c":   Alternating Current (AC). Electric … Continue reading CSWIP 3.1: Question with Answer and Explanation – Part 5

CSWIP 3.1: Question with Answer and Explanation – Part 4

1. Charpy impact test showing a flat through surface after the completed test, this would indicate which type of faiture? a. Fatigue b. Ductile c. Fatigue to ductile d. ( answer ) Brittle See below picture: the Brittle faiture have surface is flat. 2) A STRA test is carried out to determine which of the … Continue reading CSWIP 3.1: Question with Answer and Explanation – Part 4