Electrical Machines Larger values of air flux density is taken while designing IM for none. larger output. larger bore diameter. both. none. larger output. larger bore diameter. both. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor the speed can be increased by Decreasing the field current. Increasing the field current. Increasing the field current. Increasing the armature current. Decreasing the field current. Increasing the field current. Increasing the field current. Increasing the armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in dc motor results decrease in speed. increase in speed. short circuit. open circuit. decrease in speed. increase in speed. short circuit. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer core is laminated to reduce both 1 and 2. copper loss. hysteresis loss. eddy current loss. both 1 and 2. copper loss. hysteresis loss. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If residual magnetism of a shunt generator is destroyed accidentally it may be restored by connecting its shunt field to a DC source. in reverse. to an AC source. to earth. to a DC source. in reverse. to an AC source. to earth. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of rotating magnetic field of 8 pole 50 Hz induction motor is 1500 rpm 1000 rpm 750 rpm 3000 rpm 1500 rpm 1000 rpm 750 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
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