Question

The two methods of inspecting screw threads are​

Answer 1

Answer:

There are two methods used for the inspection of screw threads: (i) Shop-measurement. (ii) Direct-measurement

Answer 2

The two methods of inspecting screw threads are direct methods and shop methods.

Detailed answer

Shop measurement has many sub-classes they are thread gauge and it is also classified into 3.

• Ring screw gauge, thread caliper gauge, plug screw gauge.
• In-ring screw threads are cut on the inner surface of the ring screw gauge.
• And now in direct measurement, the major and minor diameters of the screw thread can be measured.
• For better accuracy, the major diameter is measured by a bench micrometer