Electrical Machines Example of double excited machine is Synchronous motor. DC Shunt Motor Both are correct. None of these Synchronous motor. DC Shunt Motor Both are correct. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A part an alternator winding consist of eight coils in series, each having an emf of 20 V rms induced in it. Coils are placed in successive slots and between each slot and the next, there is an electrical phase displacement of 30°. Find the emf of eight coils in series 86.91 V. 76.91 V. 66.91 V. 56.91 V. 86.91 V. 76.91 V. 66.91 V. 56.91 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To achieve spark less commutation brushes of DC generator are rocked ahead so as to bring them just ahead of magnetic neutral axis. just behind the magnetic neutral axis. None of these in magnetic neutral axis. just ahead of magnetic neutral axis. just behind the magnetic neutral axis. None of these in magnetic neutral axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Quadrature axis synchronous reactance is the ratio of Vmax to Imax. Vmin to Imax. Vmax to Imin. Vmin to Imin. Vmax to Imax. Vmin to Imax. Vmax to Imin. Vmin to Imin. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A smaller air gap in a induction motor helps to reduce the magnetizing current. reduce the chance of crawling. increase the starting torque. reduce the chance of cogging. reduce the magnetizing current. reduce the chance of crawling. increase the starting torque. reduce the chance of cogging. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power input to a 3 - φ induction motor is 60 kW and stator loss is 1 kW the rotor cu loss per phase is slip X 69 / 3. slip X 59 / 3. slip X 50 / 3. 1. slip X 69 / 3. slip X 59 / 3. slip X 50 / 3. 1. ANSWER DOWNLOAD EXAMIANS APP
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