Electrical Machines The armature reaction mmf in a DC machines has a form of triangular. sinusoidal. trapezoidal. rectangular. triangular. sinusoidal. trapezoidal. rectangular. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a transformer to be tested at full load conditions but consuming only losses from the main, we do None of these back to back test OC and SC tests load test None of these back to back test OC and SC tests load test ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For satisfactory parallel operation of two transformers which of the following conditions is most essential, MVA rating of all transformer inversely proportional to impedance. percentage impedance of all transformers must be same. voltage ratio of all transformers must be same. polarities of all transformers must be same. MVA rating of all transformer inversely proportional to impedance. percentage impedance of all transformers must be same. voltage ratio of all transformers must be same. polarities of all transformers must be same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase, 2 KV alternator has an armature resistance of 0.8 ohms and 4.94 ohms respectively. The voltage regulation of the alternator at 100 a load 0.8 loading power factor is 0%. 8.9%. 7%. 14%. 0%. 8.9%. 7%. 14%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Oil is provided in an oil filled transformer for cooling. lubrication. insulating. both cooling and insulation. cooling. lubrication. insulating. both cooling and insulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A compound motor has both shunt and series field winding. only shunt field winding. tertiary winding. only series field winding. both shunt and series field winding. only shunt field winding. tertiary winding. only series field winding. ANSWER DOWNLOAD EXAMIANS APP
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