Question No:-16

Which of the following metals is the most anodic?   1. Zinc   2. Carbon Steel   3. Nickel   4. Monel  View Answer Answer:-1. Zinc

Question No:-17

Cracking of dissimilar weld metals occurs on the _________ side of a weld between an austenitic and a Ferritic material operating at high temperatures.   1. Austenitic   2. Ferritic   3. Anodic   4. Cathodic  View Answer Answer:-2. Ferritic

Question No:-18

Soil to Air interface areas are usually more susceptible to corrosion than the rest of the structure because of ___________ and __________ availability.   1. Moisture   2. Bacteria   3. Oxygen   4. B and C   5. A and C  View Answer Answer:-5. A and C

Question No:-19

Carburization can be confirmed by substantial increases in _______ and loss of __________.   1. Hardness   2. Tensile Strength   3. Ductility   4. A and B   5. A and C  View Answer Answer:-5. A and C

Question No:-20

Liquid metal embrittlement can occur if 300 Series SS comes in contact with molten _______.   1. Copper   2. Mercury   3. Zinc   4. Lead  View Answer Answer:-3. Zinc