Multiple Choice
_________ is the main concern during start-up, shutdown and/or hydro testing for equipment/piping operating at elevated temperatures. This event can also occur in an auto refrigeration event in units processing light hydrocarbons.
A) Stress fracture
B) Carburization
C) Spheroidization
D) Brittle fracture
Correct Answer:

Verified
Correct Answer:
Verified
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Q395: _ significantly increases the probability and severity
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Q402: _ is a change in the microstructure
Q403: The loss in strength from spheroidization (Softening)