API Exam API-571 Topic 1 Question 25 Discussion

Actual exam question for API's API-571 exam

Question #: 25
Topic #: 1

300 series stainless steel heater tubes in an oil-burning furnace in the hydrocracker began to leak and the furnace was brought down. What was the probable cause of the cracking?

AChloride stress corrosion

BPolythionic acid stress corrosion

CAmine stress corrosion

DStress oriented hydrogen induced cracking

Show Suggested Answer

Suggested Answer: B

by Sabra at May 06, 2022, 02:10 PM

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