Standards and their classification
           Standards and their classfication: A standard is a physical representation of a unit of measurement. It is a piece … Read more
           Standards and their classfication: A standard is a physical representation of a unit of measurement. It is a piece … Read more
The essential elements of an instrument are; The history of development of instruments shows three phases of instruments. a)Â Â Â Â Â Mechanical … Read more
The essential elements of an instrument are; A detector An intermediate transfer device An indicator, recorder or a storage device … Read more