cCALIBRATION (TEKNIK PENGUKURAN)

What is the purpose of measurement standards?

• a) To ensure consistent and accurate measurements across different instruments and laboratories

• b) To reduce the cost of instruments

• c) To increase the complexity of instruments

• d) To increase the speed of measurements

What is a primary standard?

• a) A standard that is traceable to a national or international standard

• b) A standard that is used to calibrate secondary standards

• c) A standard that is not traceable to any other standard

• d) A standard that is only used for research purposes

What is the difference between calibration and verification?

• a) Calibration is the process of adjusting an instrument to meet a known standard, while verification is the process of checking that an instrument is within its specified limits

• b) Calibration and verification are the same thing

• c) Calibration is the process of checking that an instrument is within its specified limits, while verification is the process of adjusting an instrument to meet a known standard

• d) Calibration is only used for electrical instruments, while verification is used for mechanical instruments

What is the purpose of a calibration curve?

• To determine the relationship between an instrument's output and the quantity being measured

• To provide instructions on how to use an instrument

• To provide information on the physical properties of an instrument

• To determine the calibration error of an instrument

What is the difference between accuracy and precision?

• Accuracy refers to how close an instrument's measurement is to the true value, while precision refers to how repeatable an instrument's measurements are

• Accuracy refers to how repeatable an instrument's measurements are, while precision refers to how close an instrument's measurement is to the true value

• Accuracy and precision are the same thing

• Accuracy and precision only apply to certain types of instruments

What is the purpose of an uncertainty budget?

• To estimate the uncertainty associated with a measurement

• To provide instructions on how to use an instrument

• To provide information on the physical properties of an instrument

• To determine the calibration error of an instrument

What is the purpose of a calibration interval?

• To specify how often an instrument should be calibrated

• To specify the acceptable range of deviation for an instrument

• To specify the minimum and maximum values that an instrument can measure

• To specify the uncertainty associated with an instrument's measurement

What is a secondary standard?

• A standard that is traceable to a primary standard

• A standard that is used to calibrate primary standards

• A standard that is not traceable to any other standard

• A standard that is only used for research purposes

What is the purpose of an interlaboratory comparison?

• To determine the physical properties of an instrument

• To determine the calibration error of an instrument

• To determine the accuracy and precision of different laboratories' measurements

• To provide instructions on how to use an instrument Answer: a)

What is the difference between a reference material and a calibration standard?

• A reference material and a calibration standard are the same thing

• A reference material is used to verify the accuracy of an instrument, while a calibration standard is used to adjust an instrument to meet a known standard

• A reference material is used to calibrate an instrument, while a calibration standard is used to verify the accuracy of an instrument

• A reference material is only used for research purposes, while a calibration standard is used for industrial purposes