NDT Technician L2 Interview Questions and Answers

JNTVT stands for Joint Non-Destructive Testing Validation Team.

• JNTVT is a team responsible for validating non-destructive testing methods.

• They ensure that testing procedures are accurate and reliable.

• Examples of non-destructive testing methods include ultrasonic testing, radiographic testing, and magnetic particle testing.

The least count of a vernier caliper is the smallest measurement that can be read on the scale.

• The least count is determined by the number of divisions on the main scale and the vernier scale.

• It is calculated as the difference between one smallest division on the main scale and one division on the vernier scale.

• For example, if the main scale has divisions of 1 mm and the vernier scale has 10 divisions that cover 9 main scale divisions, the least count would be 0.1 mm.