221. What is the frame used in the standard frames? a) set of standard values b) mechanical structure required to house a rotor of given outside diameter c) mechanical structure required to house a stator of given outside diameter d) mechanical structure required to house a stator of given outside length
221. What is the frame used in the standard frames? a) set of standard values b) mechanical structure required to house a rotor of given outside diameter c) mechanical structure required to house a stator of given outside diameter d) mechanical structure required to house a stator of given outside length
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