GATE ME 2014 Set 2 — Question 30

MCQ+1 / -0.33EasyForm & Surface FinishMetrology & InspectionMetrology, CIM & Additive MfgAlignment & Testing

Metrology, CIM & Additive Mfg → Metrology & Inspection → Alignment & Testing

Last updated 5 September 2026

Question

The flatness of a machine bed can be measured using

Correct answer (B) Auto collimator Solution An auto-collimator is an optical instrument used for non-contact measurement of small angles. It is a standard tool for checking the straightness and flatness of large surfaces like machine beds by measuring angular deviations at various points along the surface. Turn this into a strength. Explore AI-powered practice and doubt support with Success Tracker.

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Correct answer (B) Auto collimator Solution An auto-collimator is an optical instrument used for non-contact measurement of small angles. It is a standard tool for checking the straightness and flatness of large surfaces like machine beds by measuring angular deviations at various points along the surface.

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