Cooling water corrosion is a concern with water-cooled __________ and cooling towers in all applications across all industries.
A. Pumps
B. Piping
C. Vessels
D. Exchangers
正解:D
質問 2:
With chloride stress corrosion cracking, __________ temperatures ________ the susceptibility for cracking.
A. Increasing, Decreases
B. Decreasing, Eliminates
C. Decreasing, Increases
D. Increasing, Increases
正解:D
質問 3:
Low creep ductility is __________ severe in high tensile strength materials and welds.
A. More
B. Usually
C. Not
D. Less
正解:A
質問 4:
Sulfidation is also known as ____________.
A. Sulfidic corrosion
B. Sulfur corrosion
C. Sulfate corrosion
D. None of the above
正解:A
質問 5:
Erosion-corrosion is a description for the damage that occurs when corrosion contributes to erosion by removing protective films or scales, or by exposing the metal surface to further ________ under the combined action of corrosion-erosion.
A. Corrosion
B. Stress
C. Oxidation
D. None of the above
正解:A
質問 6:
Graphitization can be prevented by using chromium containing low alloys steels for long-term exposure above ________.
A. 700(o) F
B. 750(o) F
C. 800(o) F
D. 650(o) F
正解:C
Oomura -
こちらのテキストは更にもう一歩踏み込んでAPI-571の勉強したい方向けのように思います。Pass4Testいろいろ問題集が出てますが、圧倒的に良いと思います。