Which of the following instruments is used to measure the thickness of a material?
A. Micrometer
B. Caliper
C. Vernier gauge
D. Durometer
Answer:A
Which of the following instruments is used to measure the thickness of a material?
A. Micrometer B. Caliper C. Vernier gauge D. Durometer
Explanation: A micrometer is an instrument used to measure the thickness of a material