Instrument to measure the internal diameter of a test tube – This question was asked in:
PMS (P) General Knowledge 2019
A. Screw Gauge
B. Vernier Calipers
C. Feeler Gauge
D. Bore Gauge
Answer
Option B: Vernier Calipers
Detailed Solution – Instrument to measure the internal diameter of a test tube
Vernier Calipers is used to measure the internal diameter of a test tube.