MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Waste Water Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Galvanizing is the process of applying _______ over steel. |
| A. | tCarbon |
| B. | tAluminium |
| C. | tZinc |
| D. | tNickel |
| Answer» D. tNickel | |
| 2. |
What is the reduced potential required to prevent the corrosion of steel? |
| A. | t350 mV |
| B. | t250 mV |
| C. | t150 mV |
| D. | t50 mV |
| Answer» B. t250 mV | |
| 3. |
Which ions are used as cathodic inhibitors? |
| A. | tFerric irons |
| B. | tAluminium ions |
| C. | tZinc ions |
| D. | tNickel ions |
| Answer» D. tNickel ions | |
| 4. |
______ are classified as dangerous inhibitors. |
| A. | tCathodic inhibitors |
| B. | tAnodic inhibitors |
| C. | tVoltage |
| D. | tCurrent flow |
| Answer» C. tVoltage | |
| 5. |
The corroding piece of metal is described as a mixed electrode . |
| A. | tTrue |
| B. | tFalse |
| Answer» B. tFalse | |