Inspection of machine parts using the concepts of shadow projection and profile projection
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Complete RRB JE following syllabus is covered in these videos.
Metrology : Linear measurement – Slip gauges and dial indicators, angle measurements, bevel protractor, sine bar, angle slip gauges, comparators (a) mechanical (b) electrical (c) optical (d) pneumatic. Measurement of surface roughness; methods of measurements by comparison, tracer instruments and by interferometry, collimators, measuring microscope, interferometer, inspection of machine parts using the concepts of shadow projection and profile projection.
PRODUCTION 5: Measurement Of Lines And Surfaces: https://www.youtube.com/playlist?list=PLWLbhNQouT-9z8rgqbYJ-ZpWJeN34hFudxplanation:
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