Which of the following is not a part of the instrument used for checking slip gauges?
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Answer:
Collimator
Explanation:
As a result of handling in the labs or inspection workshops, slip gauge is responsible for displaying the signs of wearing after the appreciable period of use and therefore, should be checked or re-checked at regular intervals. It can be easily done with the help of millionth measuring machine such as Newall Interferometer.
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