Main purpose of oil in OCB is to 

 (a) provide insulation (b) provide cooling of contacts (c) quenching arc (d) None of the above 
by

Related questions

1 answer
1 answer
1 answer
asked Mar 11, 2018 by Quiz | 36 views
0 answers
1 answer
1 answer
asked Aug 8, 2017 by Zeeshan | 37 views
1 answer
1 answer
8 answers
asked Apr 10, 2018 by anonymous1 | 348 views
1 answer
1 answer
0 answers
1 answer
asked May 13, 2018 by anonymous1 | 12 views
1 answer
0 answers
asked Apr 9, 2018 by anonymous1 | 11 views
1 answer
asked Mar 19, 2018 by anonymous1 | 21 views
1 answer
asked Apr 12, 2018 by anonymous1 | 22 views
0 answers
asked Mar 14, 2018 by Quiz | 26 views
1 answer
1 answer
asked May 14, 2018 by anonymous1 | 13 views