Question

The accuracy of caliper is limited to ___
1. 0.02 mm
2. 0.5 mm
3. 0.2 mm
4. 5 mm

Answer 1

Correct Answer - Option 2 : 0.5 mm

Explanation:

Calipers

• Calipers are indirect measuring instruments used for transferring measurements from a steel rule to a job and vice versa.
• Calipers are classified according to their joints and their legs.
• Joint
  • Firm joint calipers 
  • Spring joint calipers
• Legs
  • Inside caliper for internal measurement. 
  • Outside caliper for external measurement. 
• Calipers are used along with steel rules, and the accuracy is limited to 0.5 mm; parallelism of jobs, etc. can be checked with higher accuracy by using calipers with a sensitive feel.
• Spring joint calipers have the advantage of a quick setting with the help of an adjusting nut.
• For setting a firm joint caliper, tap the leg lightly on a wooden surface.