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UNIT-2 2.1 COMPARATORS AND ANGULAR MEASUREMENT
SUBJECT : Mechanical Measurement & Metrology
AUTHOR : PRADIP GUNAKI
PUBLISHED ON : 30/01/18
NUMBER OF PAGES : ( 34 Pages)
PRICE : Rs 25.5

Comparators can give precision measurements, with consistent accuracy by eliminating human error. They are employed to find out, by how much the dimensions of the given component differ from that of a known datum. If the indicated difference is small, a suitable magnification device is selected to obtain the desired accuracy of measurements. It is an indirect type of instrument and used for linear measurement. If the dimension is less or greater, than the standard, then the difference will be shown on the dial. It gives only the difference between actual and standard dimension of the work piece.


 
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