Electrical Machines In DC shunt motor if load is increased, the speed increase proportional. reduce slightly. increased slightly. remains constant. increase proportional. reduce slightly. increased slightly. remains constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of rotating magnetic field of 8 pole 50 Hz induction motor is 750 rpm 1000 rpm 1500 rpm 3000 rpm 750 rpm 1000 rpm 1500 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motor used in Lathe machine? D.C . series motor. D.C. cumulative compound motor. None of these D.C. shunt motor. D.C . series motor. D.C. cumulative compound motor. None of these D.C. shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The efficiency of a transformer is mainly dependent on dielectric losses. copper losses. core losses. stray losses. dielectric losses. copper losses. core losses. stray losses. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ induction motor draws an current of 50 A from mains when starts by direct switching. If an auto transformer with 60 % tapping is used for starting the current drawn from the mains will be 18. 50. 80. 36. 18. 50. 80. 36. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of an induction motor operating at no load will have a value around 0.2 lead 0.9 lag 0.2 lag unity 0.2 lead 0.9 lag 0.2 lag unity ANSWER DOWNLOAD EXAMIANS APP
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