Electrical Machines Stray losses in transformer occurs in transformer insulating oil. winding conductors and steel structures of transformer. steel core. paper insulation in transformers. transformer insulating oil. winding conductors and steel structures of transformer. steel core. paper insulation in transformers. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature shaft must be able to with stand Twisting stains due to transmission of torque. All of these Any unbalanced magnetic pull on the armature core. Bending moment due to weight of the armature. Twisting stains due to transmission of torque. All of these Any unbalanced magnetic pull on the armature core. Bending moment due to weight of the armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Crawling in an induction motor is due to insufficient starting torque. slip ring rotor. time harmonics in supply. space harmonics produced by winding currents. insufficient starting torque. slip ring rotor. time harmonics in supply. space harmonics produced by winding currents. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following components of a DC generator plays vital role for providing direct electric current of a DC generator? Eye bolt. Equalizer rings. Dummy coils. Commutator. Eye bolt. Equalizer rings. Dummy coils. Commutator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/Vt ratio of a DC motor is an indication of speed regulation. starting torque. efficiency. running torque. speed regulation. starting torque. efficiency. running torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The condition for maximum running torque is unity zero 0.707 lagging 0.5 lagging R = S.X unity zero 0.707 lagging 0.5 lagging R = S.X ANSWER DOWNLOAD EXAMIANS APP
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