Electrical Machines In above question, the output power delivered by generator G1 and G2 will be 5.7 kW, 8.7 kW. 9.3 kW, 9.3 kW. 9.6 kW, 12 kW. 6.3 kW, 9.3 kW. 5.7 kW, 8.7 kW. 9.3 kW, 9.3 kW. 9.6 kW, 12 kW. 6.3 kW, 9.3 kW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines φA DC shunt machine generates 250 V on open circuit at 1000 RPM. Armature resistance is 0.5 Ω, field resistance 250 Ω. When running as a motor takes 4 A at 250 V. Calculate the speed when running as a motor taking 40 A at 250 V. Armature reaction weakens the field by 4%. 970 RPM 940 RPM 920 RPM 960 RPM 970 RPM 940 RPM 920 RPM 960 RPM ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC Motor dc shunt with armature resistance control. dc series motor. dc shunt motor with field weakening. dc compound motor. dc shunt with armature resistance control. dc series motor. dc shunt motor with field weakening. dc compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following pairs is/are correct? open slot----- leakage flux is less semi closed slot-----leakage flux is moderate All of these closed slot----- leakage flux is high open slot----- leakage flux is less semi closed slot-----leakage flux is moderate All of these closed slot----- leakage flux is high ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eg (generated emf) and Eb (back emf) both are different. same. changes. none of above. different. same. changes. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature MMF waveform of a DC machine is pulsating. triangular. sinusoidal. rectangular. pulsating. triangular. sinusoidal. rectangular. ANSWER DOWNLOAD EXAMIANS APP
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