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| Q. |
High temperatures produced in the working gap results in which of the following potentials? |
| A. | hazardous smoke |
| B. | toxic vapours |
| C. | aerosols |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| Explanation: the temperatures in the working gap increases leading to hazardous smoke, vapours and aerosols. | |
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