Q. In balancing of single-cylinder engine, the rotating unbalance is ____________ (Solved)
1. completely made zero and so also the reciprocating unbalance
2. completely made zero and the reciprocating unbalance is partially reduced
3. partially reduced and the reciprocating unbalance is completely made zero
4. partially reduced and so also the reciprocating unbalance
- b. completely made zero and the reciprocating unbalance is partially reduced