Q. The main difference between rigid and flexible coupling for shafts transmitting power is (Solved)
1. the number of coupling bolts are more in flexible coupling than in rigid coupling
2. a flexible element is inserted around coupling bolts in one of the flanges
3. There is a protective flange over bolts in the case of flexible coupling
4. none of the above
5. Cast steel
- b. a flexible element is inserted around coupling bolts in one of the flanges