Electrical Machines A 220 V DC generator is run at full speed without any excitation. The open circuit voltage will be zero. about 50 V. 220 V. about 2 V. zero. about 50 V. 220 V. about 2 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motor operation depends on None of these rotating magnetic field. stationary magnetic field. either of these. None of these rotating magnetic field. stationary magnetic field. either of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direct axis reactance is defined as the ratio of Vmin to Imax Vmax to Imin Vmin to Imin Vmax to Imax Vmin to Imax Vmax to Imin Vmin to Imin Vmax to Imax ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, alternator has generated emf per phase of 230 V with 10% 3rd harmonic and 6% 5th harmonic content. Calculate rms line voltage for star connection. 399 V. 230.2 V. 50 V. 100 V. 399 V. 230.2 V. 50 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the necessary conditions for parallel operation of alternators? Both 1and 2 Terminal voltage is same Frequency should be same Speed of alternators should be same Both 1and 2 Terminal voltage is same Frequency should be same Speed of alternators should be same ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power of any electrical motor is taken from the Field. Coupling mounted on the shaft. Motor frame. Armature. Field. Coupling mounted on the shaft. Motor frame. Armature. ANSWER DOWNLOAD EXAMIANS APP
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