Limiting factor for size of rotor is centrifugal force acting on rotating member.

Q.  Salient pole type rotors are generally used for the range of 125 rpm to 500 rpm. The limiting factor for the size of the rotor is the
- Published on 27 Oct 15

a. Rotating field type construction
b. Rotating armature type construction
c. Centrifugal force acting on the rotating member
d. All of these

ANSWER: Centrifugal force acting on the rotating member

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