Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1/(1-S) S 1/S 1-S 1/(1-S) S 1/S 1-S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the field-flux axis and armature-mmf axis are respectively along direct axis and indirect axis quadrature axis and interpolar axis quadrature axis and direct axis direct axis and interpolar axis direct axis and indirect axis quadrature axis and interpolar axis quadrature axis and direct axis direct axis and interpolar axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Mechanical energy is supplied to DC generator at the rate of 4200 J / s. The generator delivers 32.2 Amp at 120 V. What is the percentage efficiency of the generator? 210 V. 212 V. 201.02 V. 205 V. 210 V. 212 V. 201.02 V. 205 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 500 V, 120 KW, 50 Hz, star connected synchronous motor operating at 0.8 power factor leading has full load efficiency of 91%. The armature resistance is equal to 0.08Ω. The magnitude of armature current is nearly equal to 190 A. 240 A. 127 A. 173 A. 190 A. 240 A. 127 A. 173 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator on no-load, the air gap flux distribution in space is sinusoidal. flat topped. pulsating. triangular. sinusoidal. flat topped. pulsating. triangular. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of rotating magnetic field of 8 pole 50 Hz induction motor is 750 rpm 3000 rpm 1500 rpm 1000 rpm 750 rpm 3000 rpm 1500 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP