Explanatio1. Straightedge. A steel rule used to test the flatness of a workpiece. The edge of the steel rule is placed on the surface of a material and then held up against the light.
2. Outside caliper. This is used to measure the outside dimensions of either a flat or round stock. It may also be used to check the parallelism of surfaces. The setting on the outside caliper may be converted into linear units by measuring the opening with a steel rule.
3. Inside caliper. This is used to measure the diameter of holes or widths of keyways and slots. To convert the inside caliper’s opening into linear units, use a steel rule in the same manner as that of the outside caliper.
4. Hermaphrodite caliper. This consists of two legs, one is like that of a divider and the other one is like the leg of an inside caliper. Hermaphrodite calipers may be used to scribe arcs or in marking layout work.
5. Try-square. This consists of a thick beam sometimes called the stock and a thin blade set at 90° angle. This tool is commonly used to test or “try” the accuracy of work. Many try-squares are gradated on the blade so it may also be used as a rule.
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Answer:
Explanatio1. Straightedge. A steel rule used to test the flatness of a workpiece. The edge of the steel rule is placed on the surface of a material and then held up against the light.
2. Outside caliper. This is used to measure the outside dimensions of either a flat or round stock. It may also be used to check the parallelism of surfaces. The setting on the outside caliper may be converted into linear units by measuring the opening with a steel rule.
3. Inside caliper. This is used to measure the diameter of holes or widths of keyways and slots. To convert the inside caliper’s opening into linear units, use a steel rule in the same manner as that of the outside caliper.
4. Hermaphrodite caliper. This consists of two legs, one is like that of a divider and the other one is like the leg of an inside caliper. Hermaphrodite calipers may be used to scribe arcs or in marking layout work.
5. Try-square. This consists of a thick beam sometimes called the stock and a thin blade set at 90° angle. This tool is commonly used to test or “try” the accuracy of work. Many try-squares are gradated on the blade so it may also be used as a rule.
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