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Hydrometer and Lactometer

Flatness of s...

Question

Flatness of slip gauges is checked with

A

Optical flat

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B

Interferometer

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C

Electronic comparator

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D

Linear bar and bevel protractor

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Solution

The correct option is B Interferometer
Flatness of slip gauges is checked with an Interferometer.

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Hydrometer and Lactometer

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