5 Questions
What are primary standards in the hierarchy of physical measurement standards?
Master standards made to the highest metrological quality
What is the purpose of a standard in metrology?
To serve as the fundamental reference for comparing measuring devices
How are modern measurements defined in relation to internationally standardized reference objects?
Under carefully controlled laboratory conditions
What is the continuing trend in metrology regarding the definition of practical units of measure?
Eliminating artifact standards and defining units in terms of fundamental physical constants
Why were historical standards for length, volume, and mass defined by many different authorities problematic?
Resulted in confusion and inaccuracy of measurements
Test your knowledge of metrology and measurement standards with this quiz! Explore the historical standards for length, volume, and mass, and learn about the fundamental reference points for measuring physical quantities.
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