Electrical Machines Armature resistance control method is used for the _______ ? both 1 and 2 None of these above rated speed below rated speed both 1 and 2 None of these above rated speed below rated speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the mechanical angle α between the stator and rotor poles increases, then the stator current Decreases. Remains unchanged. None of above. Increases. Decreases. Remains unchanged. None of above. Increases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Voltage regulation of transformer is given by (V2 - E2) / V2 (E2 - V2) / E2 (E2 - V2) / V2 (V2 - E2) / E2 (V2 - E2) / V2 (E2 - V2) / E2 (E2 - V2) / V2 (V2 - E2) / E2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power indicated on the name plate of any motor is always the Output power at the shaft. Power drawn in KW. Power drawn in KVA. Gross power. Output power at the shaft. Power drawn in KW. Power drawn in KVA. Gross power. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is power factor of a 3 - φ induction motor at no load? Low. High. Equal to 1. Same as full load. Low. High. Equal to 1. Same as full load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz 1-phase induction motor is running at 1470 rpm. Find the forward and backward slips? 0.04, 1.96 0.02, 1.98 0.04, 0.96 0.02, 0.98 0.04, 1.96 0.02, 1.98 0.04, 0.96 0.02, 0.98 ANSWER DOWNLOAD EXAMIANS APP