engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Electrician and Wireman Power Systems Earthing
Which of the following options are correct for neutral grounding of an alternator as per B. I. S 3043-1966?
1. Solid earthing
2. Resistance earthing
3. Reactance earthing
4. Arc suppression coil earthing
1
(1) and (2)
2
(1) and (3)
3
(1), (2), (3) and (4)
4
(1), (2) and (3)