What is the chemical symbol for propane or propylene?
Answer : B
Which of the following materials is susceptible to carburization?
Answer : D
SSC generally occurs below about ________.
Answer : C
________ has been a major problem on coke drum shells.
Answer : A
_________ is a mechanical form of degradation that occurs when a component is exposed to cyclical stresses for an extended period, often resulting in sudden, unexpected failure.
Answer : B
_________ is the result of cyclic stress caused by variations in temperature.
Answer : B
For furnaces, to prevent PASCC, keep the firebox heated above the dewpoint to keep ________ from forming.
Answer : B