INTERVIEW QUESTIONS - [3] - Sec IX - Welding

INTERVIEW QUESTIONS

ASME SECTION IX : WELDING

1. What is the minimum length of volumetric NDE required for welder qualification?


Ans: 6 in (150mm) [QW 302.2]

2. Please tell about one etching reagent used for ferrous materials.


Ans: One part of nitric acid and 3 parts of water by volume is one of the etching agent used for ferrous materials.

3. What is the P number of IS 2062 grade material.


Ans: P number is 1

4. What is a linear indication?


Ans: An indication in which the length of indication is more than 3 times the width.

5. What is a rounded indication?


Ans: An indication in which the length of the indication is 3 times the width or less.


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