Electrical Machines Voltage regulation can be determined by which of the following? All of these ZPF method. Synchronous impedance method. MMf method. All of these ZPF method. Synchronous impedance method. MMf method. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A transformer has maximum efficiency at 3/4 load. The ratio of iron loss and full load copper loss is 3/4. 16/9. 4/3. 9/16. 3/4. 16/9. 4/3. 9/16. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of 90o. Greater than 90o. 0o. less than 90o. 90o. Greater than 90o. 0o. less than 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotive which of the following motor are used ? Shunt motor. Separately compound motor. Synchronous motor. DC series motor. Shunt motor. Separately compound motor. Synchronous motor. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature MMF waveform of a DC machine is sinusoidal. rectangular. pulsating. triangular. sinusoidal. rectangular. pulsating. triangular. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, electric current to the external circuit from armature is given through solid connection. commutator. slip rings. none of above. solid connection. commutator. slip rings. none of above. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS