| Q.15 | The secondary unbalanced forces of reciprocating masses in the engine is | |
| Ans | 1. Inversely proportional to the ratio of the length of connecting rod to crank radius | |
| 2. Proportional to the length of connecting rod | ||
| 3. Proportional to the ratio of the length of connecting rod to crank radius | ||
| 4. Inversely proportional to crank radius |
Correct Ans Provided: 1