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I applied via Naukri.com and was interviewed in Oct 2020. There were 3 interview rounds.
The liquid used in welding penetration test is dye penetrant.
Dye penetrant is a liquid that is applied to the surface of the weld.
It seeps into any cracks or defects in the weld.
After the excess penetrant is wiped away, a developer is applied to make the defects visible.
This test is used to check the quality of the weld and ensure it is free from defects.
Gases commonly used in welding are argon, helium, carbon dioxide, and oxygen.
Argon is used for TIG welding of non-ferrous metals.
Helium is used for TIG welding of thick materials.
Carbon dioxide is used for MIG welding of steel.
Oxygen is used for oxy-fuel welding and cutting.
Gas mixtures like argon and carbon dioxide are also used for MIG welding.
The voltage and current used in welding depend on the type of welding process and the materials being welded.
For example, in shielded metal arc welding (SMAW), the voltage typically ranges from 20-30 volts and the current ranges from 50-200 amps.
In gas metal arc welding (GMAW), the voltage ranges from 15-40 volts and the current ranges from 50-350 amps.
The voltage and current settings also depend on the thickness of th...
I was interviewed in Dec 2024.
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I applied via Approached by Company and was interviewed in Aug 2024. There was 1 interview round.
Basic coding about software
I applied via Referral and was interviewed in Jun 2023. There were 3 interview rounds.
About work profile and practical problems
I applied via Company Website
I applied via Walk-in and was interviewed in Aug 2023. There were 2 interview rounds.
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