Q. Which of the following is a false stagement: The cause of excessive engine vibrations especially at high speeds in spark ignition engines is (Solved)
1. Unequal distribution of mixture
2. Unbalanced crankshaft
3. Unequal compression of engine cylinders
4. Ignition distributor point not synchrohized
5. Unbalanced fan or loose fan blade
- a. Unequal distribution of mixture