Chapter 1: Introduction to Metrology

Metrology is defined as _______________________________________

• measurement

• science of measurement

• methods of measurement

• methods and techniques of measurements

From technical point of view, metrology is defined as methods and techniques of measurement based on ________________________________________

• standards

• units

• standards and units

• agreed standard and units

Determine the principles of metrology.

• Determine whether the parts meet the requirements or specifications

• Need both measuring unit and measuring instrument according to standards

• Need both measuring unit and measuring instrument

• Units are defined and expressed in standards

Select the quantity for System International (SI)

• Acceleration

• Length

• Mass

• Celcius

• Ampere

Determine the multiplier for micro

• 10^-6

• 10^-9

• 10⁹

• 10⁶

Determine the needs and functions of inspection

• To determine good or bad parts

• To support the manufacturing department

• To improve and develop precision measuring instruments

• To achieve interchangeability