QUESTION: 25

Nickel based alloys usually contain ________ nickel.

30%
20%
10%
12%

Answer(s): A

_________ is a change in the microstructure of certain carbon steels and 0.5Mo steels after long- term operation in the 800º F to 1100º F range that may cause a loss in strength, ductility and/or creep resistance.

Embrittlement
Carburization
Graphitization
Sensitization

Answer(s): C

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QUESTION: 27

__________ is usually found in aqueous environments or services where water is sometimes or always present, especially where stagnant or low-flow conditions allow the growth of microorganisms.

MIC
HIC
SOHIC
None of the above

Answer(s): A

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QUESTION: 28

With chloride stress corrosion cracking, __________ temperatures ________ the susceptibility for cracking.

Decreasing, Increases
Increasing, Increases
Increasing, Decreases
Decreasing, Eliminates

Answer(s): B

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QUESTION: 25

QUESTION: 26

QUESTION: 27

QUESTION: 28

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