MCQOPTIONS
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| 1. |
Ionisation potential employed in the industrial electrostatic precipitator is of the order of |
| A. | 30 to 70 kV DC |
| B. | 30 to 70 kV AC |
| C. | 230 V AC |
| D. | 230 V DC |
| Answer» B. 30 to 70 kV AC | |