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Why retooling is fast and less expensive in automatic inspection machines?

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in Engineering Metrology by (829k points)
Why retooling is fast and less expensive in automatic inspection machines?

(a) Only hardware changes are needed

(b) Both hardware and software changes are needed

(c) No hardware changes are needed

(d) Software program doesn’t need any change

The question was asked during an interview.

Question is taken from Automatic Inspection Machines in division Testing and Calibration of Gauges and Dynamic Measurement of Engineering Metrology

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The correct choice is (c) No hardware changes are needed

Best explanation: Retooling is fast and not much expensive because no hardware changes are required and the software program is able to achieve these. Electronic gauging machines provide information that can be interfaced with computers or CRT or analysers.

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