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Krishnan Chandrasekaran
's Polls
GK
Which of the following is used as a lubricant?
Graphite
2 votes (66%)
Graphite
Silica
0 votes (0%)
Silica
Iron oxide
1 vote (33%)
Iron oxide
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3 votes
| 59 views
(200 symbols max)
Wolmal
(256 symbols max)
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