As a management level engineering officer, you are apt to be the primary investigator investigating the root cause of the failure of a piece of machinery. Interviewing is a valuable data collection technique. Which interviewees should be your FIRST priority to interview?

Question

Accepted Answer

Personnel directly involved in the incident leading to the failure.

Answer

Personnel not directly involved, but who have similar background or experience.

Answer

Supervisors of personnel directly involved in the incident leading to the failure.

Answer

Technical experts, equipment vendors, suppliers, and manufacturers.

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