calibration

What is calibration in metrology?

• a) The process of measuring the accuracy of an instrument

• b) The process of adjusting an instrument to improve its accuracy

• c) The process of comparing an instrument to a known standard

• d) The process of cleaning and maintaining an instrument

Which of the following is an example of static calibration?

• a) voltmeter

• b) tachometer

• c) Precision pressure gauge

• d) Vibration sensor

Which of the following organizations provides international standards and guidelines for calibration procedures?

• IEC (International Electrotechnical Commission)

• ASTM International (American Society for Testing and Materials)

• ISO (International Organization for Standardization)

• IEEE (Institute of Electrical and Electronics Engineers)

What is the term used to describe the difference between the measured value and the true value of a calibrated instrument?

• a) Error

• b) Tolerance

• c) Uncertainty

• d) Precision

The primary purpose of calibration is to:

• a) Increase the lifespan of the instrument

• b) Improve the instrument's accuracy

• c) Ensure legal compliance

• d) Enhance the instrument's appearance

True or False: Calibration is a one-time process, and an instrument remains accurate indefinitely

after calibration.

• true

• false

Which of the following statements is true regarding traceability in calibration?

• a) Traceability is not important for calibration procedures.

• b) It ensures that calibrations are performed by the same technician each time.

• c) It ensures that calibration results can be related to national or international standards.

• d) Traceability is only relevant for complex and expensive instruments.