Question

an adjustment made to a measurement
a. offset
acceptable range of variation in a measurement
c. tolerance
used to change the unit of measurement
b. conversion factor
an angled edge prepared for welding
d. bevel

Explanation:

1. An adjustment made to a measurement is an offset. It is a correction factor to account for errors or differences.
2. The acceptable range of variation in a measurement is tolerance. It defines the limits within which a measurement is considered valid.
3. A conversion factor is used to change the unit of measurement. For example, to convert inches to centimeters, a specific conversion - factor is applied.
4. An angled edge prepared for welding is a bevel. It is a common preparation step in welding to ensure proper fusion.

Answer:

1. a. offset
2. c. tolerance
3. b. conversion factor
4. d. bevel