

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 | |