Match the following:
| P. Cathodic protection | 1. Decarburisation |
| Q. Hydrogen attack | 2. Erosion |
| R. Pilling Bedworth ratio | 3. Galvanising |
| S. Cavitation | 4. Oxidation of metals |
A. P-3, Q-1, R-4, S-2
B. P-3, Q-1, R-2, S-4
C. P-4, Q-2, R-1, S-3
D. P-4, Q-3, R-2, S-1
Answer: Option A
This Question Belongs to Metallurgical Engineering >> Electrometallurgy And Corrosion
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