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What is a comparative measuring?
an instrument that has a reference during measurement
When did numbers appear?
During the Ancient Greek times
What is in process sampling?
In-process sample is considered as, in order to move forward from one process step to the next. here is an example: During the process after mixing of a solution the nd Condu. measurement should be X.X to X.X before one can start to transfer the solution to next step. To draw some volume to test the pH and Condu. sample would be considered in-process sample measurement.
Difference between interin evaluation and ex post facto evaluation?
Ex Post Facto Evaluation : Measurement of value of research after the research is done. Prior or Interim Eveluation : Measurement of value of research which is done before starting the research or doing the measurement at intermediate stages during the research..
What is the X-Y operation of the oscilloscope?
The CRT display becomes an electronic graph of two instantaneous voltages. The display may be a direct comparision of two voltages such as during phase measurement, or frequency measurement with Lissajous waveforms.
