SEEU2123 Quiz 1

"The science of measurement that concerns units, instruments, and methods performed by competent bodies." is the metrology definition made by

• International Bureau of Weights and Measures (BIPM)

• International Organization of Legal Metrology (OIML)

• The International System of Units (SI Unit)

• The International Organization for Standardization (ISO)

Which one below is not the subfield of metrology:

• Scientific of fundamental metrology

• Applied or industrial metrology

• Legal metrology

• Commercial metrology

"It concerns the application of measurement science to manufacturing, the suitability of measurement instruments, calibration, and quality control of measurement." Which metrology subfield does this statement refer to?

• Scientific metrology

• Fundamental metrology

• Applied metrology

• Legal metrology

Which statement best suits the figure?

• Low accuracy and low precision

• Low precision and high accuracy

• Low accuracy and high precision

• High precision and high accuracy

"The process of adjusting the output or indication on a measurement instrument to agree with the value of the applied standard, within a specified accuracy." This statement describes...

• Calibration

• Measurement

• Certification

• Metrological confirmation

What is repeatability?

• The closeness of agreement between successive measurements carried out under the same condition.

• The closeness of agreement between measurement of the same quantity carried out with a stated change in condition.

• The closeness with a repeated set of measurements of the same variable agrees with the average set of measurements.

• The closeness agreement between a test result and accepted reference.

The SI is constructed from seven base units, which are defined in physical terms. Which one below is not the base unit?

• Mass

• Length

• Temperature

• Force

Which one below is not the main reason for having an instrument calibrated?

• To ensure readings from the instrument are consistent with other measurements

• To determine the accuracy of the instrument readings

• To establish the reliability of the instrument

• To avoid being fined by the authority

The symbol for the derived unit density is...

The international system of units (SI unit) is a form of the metric system and is divided into 3 classes. Below are the three classes EXCEPT...

• Base units

• Original unit

• Derived units

• Supplementary units