1. A Vernier caliper has a least count of 0.001 inch. There are 25 divisions in its Vernier scale. What is the smallest main scale division? Show a scale diagram indicating a reading of 1.55 cm.
2. The smallest sleeve division of a micrometer is 1/40 inch. There are 25 divisions in the thimble and the pitch of the screw is equal to one division on the sleeve. Determine the least count and show a scale diagram indicating a reading of 0.206 inch.
3. Compare the resolutions and accuracies of the three tools: the ruler, Vernier caliper, and micrometer.
4. Enumerate and describe objects or parts of objects on which Vernier caliper or micrometer can be more appropriate to use:
a) in your day-to-day life
b) in Mechanical engineering.