Electrical Machines Which of following winding is connected in series with armature winding of DC machine? Compensating winding. Both Compensating and Commutating pole winding. Commutating pole winding. Auxiliary winding. Compensating winding. Both Compensating and Commutating pole winding. Commutating pole winding. Auxiliary winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For satisfactory parallel operation of two transformers which of the following conditions is most essential, polarities of all transformers must be same. percentage impedance of all transformers must be same. voltage ratio of all transformers must be same. MVA rating of all transformer inversely proportional to impedance. polarities of all transformers must be same. percentage impedance of all transformers must be same. voltage ratio of all transformers must be same. MVA rating of all transformer inversely proportional to impedance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 12 pole triplex lap wound DC armature, each conductor can carry current of 100 A. The rated current of this armature is 2400 A. 1200 A. 600 A. 3600 A. 2400 A. 1200 A. 600 A. 3600 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are the starters used for starting of cage motors? Auto transformer starter. DOL starter. Star-delta starter. All of these. Auto transformer starter. DOL starter. Star-delta starter. All of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor output power? 2000W 1920W 1450W 1820W 2000W 1920W 1450W 1820W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Normally for the design of transformer the ambient temperature is taken as 27°C. 35°C. 32°C. 45°C. 27°C. 35°C. 32°C. 45°C. ANSWER DOWNLOAD EXAMIANS APP
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