I applied in-person. I interviewed at Petroleum Engineering & Development (Tehran, Tehran) in Jan 2014
Interview
In person, all standards of welding and all stages of inspection and the exploitation of oil, civil engineering, geology, oil exploration, and all destructive and non destructive tests of welding and static loading of the servant were questioned.
Interview questions [1]
Question 1
GTAW welding process is done with what kind of gas and the gas is in the process