Calibration: If a known input is given to the measurement system the output deviates from the given input, the corrections are made in the instrument
Category: Engineering Metrology
Errors in Measurement : Error = Measured Value – True Value Em = Vm – Vt 1. Absolute Error : True absolute error :
Failure Mode – A particular way in which an item fails, independent of the reason for failure. Failure Mode and Effects Analysis (FMEA) – A
CRITICALITY is a measure of the frequency of occurrence of an effect. – May be based on qualitative judgement or – May be based on
It is defined as the probability that a given system will perform it’s function adequately for it’s specified period of lifetime under specified operating conditions.
MEASUREMENTS: A Measurement is the outcome of an opinion formed by observers about some physical quantity. CLASSIFICATION OF MEASUREMENTS: Standards – ( Reproduce the value