QUIZ) API 571

 

1. __________ is a change in the microstructure of certain carbon steels and

0.5 Mo steels after long term operation in the 800º F to 1100º F range.

A. Graphitization

B. Softening

C. Temper Embrittlement

D. Creep

2. What structure is 304 stainless steel?

A. Martensitic

B. Austenitic

C. Duplex

D. Ferritic

3. _________ is the result of cyclic stress caused by variations in temperature.

A. Creep

B. Thermal Fatigue

C. Cyclic Cracking

D. Stress Corrosion Cracking

4. General or localized corrosion of carbon steels and other metals caused by dissolved salts, gases, organic compounds or microbiological activities is called ________.

A. Flue Gas Corrosion

B. Atmospheric Corrosion

C. Cooling Water Corrosion

D. None of the Above

E. All of the Above

5. What structure is 410 stainless steel?

A. Martensitic

B. Austenitic

C. Duplex

D. Ferritic

 

 

 

1	2	3	4	5
A	B	B	C	A