Electrical Machines No load saturation characteristics are plotted between short circuit current and armature current no load voltage and armature current no load voltage and field current short circuit current and field current short circuit current and armature current no load voltage and armature current no load voltage and field current short circuit current and field current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 2 pole, 12 slot synchronous machine is operating at synchronous speed. Find the slot angle? 30° 60° 20° 18° 30° 60° 20° 18° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a fault at the terminal of a synchronous generator, the fault current is maximum for a 3 - phase fault. line to ground fault. 3 - phase to ground fault. line to line fault. 3 - phase fault. line to ground fault. 3 - phase to ground fault. line to line fault. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following methods of speed control is not affected through stator side? Change of number of pole. Change of supply voltage. Change of rotor resistance. Change of supply frequency. Change of number of pole. Change of supply voltage. Change of rotor resistance. Change of supply frequency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In single phase rotary converter the number of slip rings will be three. six. four. two. three. six. four. two. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, which of these parameters remain the same whether it runs as a DC motor or a DC generator? Can not be determined. Mechanical power. Armature current. Induced emf. Can not be determined. Mechanical power. Armature current. Induced emf. ANSWER DOWNLOAD EXAMIANS APP
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