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WorksheetsMetrology - Introduction to metrology
Total questions: 10
Worksheet time: 5mins
Has to ensure the adequate function of measurement instruments used in industry as well as production and testing process.
· Scientific Metrology
· Industrial Metrology
· Legal Metrology
· Fundamental Metrology
It is concern with the accuracy of measurements where these have influence on the transparency of economical transactions, and health and safety.
· Scientific Metrology
· Industrial Metrology
· Legal Metrology
· Fundamental Metrology
It is necessary to check all material, products and component parts at various stages during manufacturing, assembly, packing and installation on customer´s environment.
· Need of Inspection
· Calibration
· Precision
· Industrial Metrology
It is the susceptibility of a measurement device to have its indicators converted into meaningful numbers.
· Readability
· Precision
· Inspection
· Error
It is the relationship between values of quantities indicated by a measuring instrument and the corresponding value realized by standards.
· Calibration
· Precision
· Expectation
· Range
It is the degree to which the measured value of the quality characteristics agrees with the true value.
· Precision
· Accuracy
· Testing
· Standardization
It is called fundamental method and it is based on the measurement of the base quantities used to define a particular quantity.
· Absolute Method
· Comparison Method
· Substitution Method
· Coincidence Method
The value of the quantity to be measure is obtained directly without any calculation.
· Direct Method
· Indirect Method
· Absolute Method
· Comparison Method
Select the factors that affects the accuracy of measuring instruments:
· Environmental conditions
· Calibration
· Inspector
Standardization
It is the result of incapability of the system to response reliably to time-varying measurement.
· Dynamic Error
· Static Error
· Relative Error
· Absolute Error
