Metrology and Measurement Standards Quiz

Standards used under carefully controlled laboratory conditions

Standards based on fundamental physical constants

Standards defined with reference to unique artifacts

Master standards made to the highest metrological quality (correct)

To define unique artifacts for legal basis of units of measure

To establish a hierarchy of physical measurement standards

To serve as the fundamental reference for comparing measuring devices (correct)

To complicate and introduce confusion in measurements

Using practical units of measure in terms of fundamental physical constants

Based on historical definitions of length, volume, and mass

Under carefully controlled laboratory conditions (correct)

With reference to unique artifacts

<p>Eliminating artifact standards and defining units in terms of fundamental physical constants</p> Signup and view all the answers

<p>Resulted in confusion and inaccuracy of measurements</p> Signup and view all the answers