Electrical Machines The output voltage of a DC generator is E = V + Ra. E = V + Ia. E = V – IaRa. E = V + IaRa. E = V + Ra. E = V + Ia. E = V – IaRa. E = V + IaRa. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which method is less recommendable for induction motor starting in the industries? Auto transformer starting. Direct online starting. Rotor resistance starting. Stator resistance starting. Auto transformer starting. Direct online starting. Rotor resistance starting. Stator resistance starting. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two mechanically coupled alternators deliver power at 50 Hz and 60 Hz respectively. The highest speed of the alternators is 3000 rpm. 600 rpm. 500 rpm. 3600 rpm. 3000 rpm. 600 rpm. 500 rpm. 3600 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The constant losses in transformer is/are copper loss. hysteresis loss. both 2 and 3. eddy current loss. copper loss. hysteresis loss. both 2 and 3. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the brushes remain in contact with conductors which lie in the inter polar gaps. there is no hard and fast rule for this. lie under north pole. lie under south pole. lie in the inter polar gaps. there is no hard and fast rule for this. lie under north pole. lie under south pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a specific open-circuit voltage of a DC generator, the short-circuit electric current will be maximum when it is differentially compounded. shunt connected. separately excited. cumulatively compounded. differentially compounded. shunt connected. separately excited. cumulatively compounded. ANSWER DOWNLOAD EXAMIANS APP
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