Which of the following are critical components of a metrology program? (Choose two) Response:

Question

Options

• ACalibration of instruments
• BEngineering change control
• CCelebrity endorsements
• DSocial media presence

• A
  71% (32)
• C
  11% (5)
• D
  18% (8)

Explanation

A metrology program is the systematic management of measurement accuracy within an organization, and its two critical components are calibration of instruments (A) and engineering change control (B). Calibration ensures measurement tools produce accurate, traceable results - without it, any measurements taken are unreliable. Engineering change control ensures that when equipment or processes change, the impact on measurement systems is evaluated and documented, maintaining the integrity of the program over time.

C (celebrity endorsements) and D (social media presence) are marketing concepts with no relevance to metrology, which is purely a technical and quality assurance discipline concerned with measurement science.

Memory tip: Think of metrology as "measurement accountability" - you need to verify your tools are accurate (calibration) and control what changes to those tools or processes (change control). If it doesn't directly affect measurement accuracy or traceability, it's not part of the program.

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