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Which instrument is suitable to measure the internal diameter of a test tube?

Instrument to measure the internal diameter of a test tube – This question was asked in:PMS (P) General Knowledge 2019 A. Screw GaugeB. Vernier CalipersC. Feeler GaugeD. Bore Gauge Answer Option B: Vernier Calipers View all PPSC PMS Past Papers Detailed Solution – Instrument to measure the internal diameter of a test tube Vernier Calipers … Read more