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The best way to prevent failures by atmospheric corrosion is to:
The best way to prevent failures by atmospheric corrosion is to:A . Have an aggressive inspection program.B . Reduce airborne particulates.C . Install and maintain appropriate coatings.D . Shoot all birds that cross the plant fence.E . Build new petrochemical facilities in a dry desert.View AnswerAnswer: C
Proper application of ________ will control but not eliminate microbes that cause MIC so that continued treatment is necessary.
Proper application of ________ will control but not eliminate microbes that cause MIC so that continued treatment is necessary.A . OzoneB . CausticC . BiocidesD . None of the aboveView AnswerAnswer: C
Annealed steels are more resistant to Spheroidization than normalized steels. _________ grained steels are more resistant than ______ grained steels.
Annealed steels are more resistant to Spheroidization than normalized steels. _________ grained steels are more resistant than ______ grained steels.A . Fine, CourseB . Course, FineC . PWHT, Non-PWHTD . Non-PWHT, PWHTView AnswerAnswer: B
Which of the following materials are subject to mechanical fatigue?
Which of the following materials are subject to mechanical fatigue?A . Carbon steelsB . Stainless steelsC . Low alloy steelsD . All of the aboveView AnswerAnswer: D
Hydrochloric acid corrosion is a general and localized corrosion and is very aggressive to most common materials of construction. Damage in refineries is often associated with dew point corrosion in which vapors containing _______ and hydrogen chloride condense from the overhead stream of a distillation, fractionation, or stripping tower.
Hydrochloric acid corrosion is a general and localized corrosion and is very aggressive to most common materials of construction. Damage in refineries is often associated with dew point corrosion in which vapors containing _______ and hydrogen chloride condense from the overhead stream of a distillation, fractionation, or stripping tower.A ....
Hydriding of titanium is a metallurgical phenomenon in which hydrogen diffuses into the titanium and reacts to form an embrittling phase. This can result in a complete loss of _________ with no noticeable sign of corrosion or loss of thickness.
Hydriding of titanium is a metallurgical phenomenon in which hydrogen diffuses into the titanium and reacts to form an embrittling phase. This can result in a complete loss of _________ with no noticeable sign of corrosion or loss of thickness.A . StrengthB . DuctilityC . CarbidesD . HardnessView AnswerAnswer: B
PWHT is ___________ in preventing caustic SCC.
PWHT is ___________ in preventing caustic SCC.A . EffectiveB . Not effectiveC . Not practicalD . None of the aboveView AnswerAnswer: A
Which of the following materials is least affected by brittle fracture?
Which of the following materials is least affected by brittle fracture?A . Carbon steelB . ChromesC . 300 series stainless steelD . 400 series stainless steelE . All stainless steelsView AnswerAnswer: C
Characteristic stress corrosion cracks have many branches and may be visually detectable by a __________ appearance on the surface.
Characteristic stress corrosion cracks have many branches and may be visually detectable by a __________ appearance on the surface.A . Tree shapedB . Craze-crackedC . Multiple crackD . None of the aboveView AnswerAnswer: B
With sulfidation, the presence of oxygen ________ corrosion
With sulfidation, the presence of oxygen ________ corrosionA . IncreasesB . DecreasesC . Has no effect onD . StopsView AnswerAnswer: A
