MCQOPTIONS
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| 1. |
Which of the metallic structure will require more impressed current density for cathodic protection? |
| A. | Water heaters in hot freshwater |
| B. | Underground pipelines |
| C. | The storage tank of H<sub>2</sub>SO<sub>4</sub> |
| D. | Reinforcement rods |
| Answer» D. Reinforcement rods | |