In a multi-rotor system of torsional vibration maximum number of nodes that can occur is:
A. Two
B. Equal to the number of rotor plus one
C. Equal to the number of rotors
D. Equal to the number of rotors minus one
Answer:D
In a multi-rotor system of torsional vibration maximum number of nodes that can occur is:
A. Two B. Equal to the number of rotor plus one C. Equal to the number of rotors D. Equal to the number of rotors minus one