Multiple choice general knowledge science & technology

Which of these device is used to measure the distance between two opposing sides of an object with high precision?

  1. profile gauge

  2. dial indicator

  3. vernier caliper

  4. none of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A vernier caliper is specifically designed to measure the distance between two opposing sides of an object (external dimensions) with high precision, typically to 0.02mm or better. It has two sets of jaws - one for external measurements and one for internal measurements. A dial indicator measures small distances or deviations, while a profile gauge replicates contours rather than measuring dimensions.

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