Question No:-6

The sudden rapid fracture under stress (residual or applied) where the material exhibits little or no evidence of ductility or plastic deformation is called _________.   1. 885º F Embrittlement   2. Temper Embrittlement   3. Stress Corrosion Cracking   4. Brittle Fracture  View Answer Answer:-4. Brittle Fracture

Question No:-7

What structure is 409 stainless steel?   1. Martensitic   2. Austenitic   3. Duplex   4. Ferritic  View Answer Answer:-4. Ferritic

Question No:-8

Low alloy steels contain a maximum of _______ chrome.   1. 5%   2. 6%   3. 7.5%   4. 9%  View Answer Answer:-4. 9%

Question No:-9

Which of the following can be affected by 885º F Embrittlement?   1. 410 SS   2. 430 SS   3. 308 SS   4. Alloy 2205   5. A, B and D  View Answer Answer:-5. A, B and D

Question No:-10

For 5Cr-0.5Mo, what is the threshold temperature for creep?   1. 500º F   2. 800º F   3. 600º F   4. 700º F  View Answer Answer:-2. 800º F