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I applied via Naukri.com and was interviewed in Dec 2021. There were 3 interview rounds.
There are various types of welding testing methods used to ensure the quality of welds.
Visual inspection
Dye penetrant testing
Magnetic particle testing
Ultrasonic testing
Radiographic testing
Eddy current testing
Tensile testing
Bend testing
The pressure holding in the pipes for hydro test depends on the design pressure of the system.
The pressure should be at least 1.5 times the design pressure of the system.
The pressure should be maintained for a specified duration to ensure the integrity of the system.
The pressure should be monitored closely during the test to detect any leaks or failures.
The type of paint used in the underground tanks was epoxy paint.
Epoxy paint is commonly used in underground tanks due to its resistance to chemicals and corrosion.
It provides a durable and long-lasting coating that can withstand harsh environments.
Examples of epoxy paint brands used in underground tanks include Sherwin-Williams Tankguard and PPG Amercoat.
The specific type of epoxy paint used may vary depending on the t...
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