Description: What are the types of unbalances in rigid rotating systems? What is static unbalance and dynamic unbalance? What is couple unbalance? What causes static unbalance? What causes dynamic unbalance?

How to calculate the permissible residual unbalance?

What is residual unbalance and what is the need of residual unbalance?

How do I know if my rotors are out of balance?

What is balancing?

What causes rotational imbalance? What causes an unbalanced impeller.