In a three rotor system, for the middle rotor, if the stiffness of bo – McqOptions

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1.	In a three rotor system, for the middle rotor, if the stiffness of both the length either side of the rotor is increased to two times what will be the effect on total stiffness of the middle rotor?
A.	Remains constant
B.	Decreases by two times
C.	Increases by two times
D.	Increases by 4 times
Answer» D. Increases by 4 times

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