Electrical Machines For very sensitive and wide speed control, the preferable control method is Multiple voltage control. Armature control. Ward-Leonard control. Field control. Multiple voltage control. Armature control. Ward-Leonard control. Field control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole wave wound dc motor having flux per pole of 9.56 X 10-3 Wb contains 460 armature conductors with armature resistance of 0.6 ohm. Calculate the starting current flowing through the armature if the supply voltage is 240 volt. 0.5 Amp. 800 Amp. 320 Amp. 400 Amp. 0.5 Amp. 800 Amp. 320 Amp. 400 Amp. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shaded pole single phase induction motor can be used for wet grinders food mixers personal computers as cooling fan tape recorders wet grinders food mixers personal computers as cooling fan tape recorders ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator V curve is drawn between field current on X-axis and armature current on Y-axis. either of these. field current on Y-axis and armature current on X-axis. field current on X-axis and power factor on Y-axis. field current on X-axis and armature current on Y-axis. either of these. field current on Y-axis and armature current on X-axis. field current on X-axis and power factor on Y-axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard system, the lower limit of the speed imposed by Field resistance. Residual magnetism of the generator. None of above. Armature resistance. Field resistance. Residual magnetism of the generator. None of above. Armature resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A small air gap in poly phase induction motor helps to reduce chance of crawling. reduce chance of cogging. reduce magnetizing current. increase starting torque. reduce chance of crawling. reduce chance of cogging. reduce magnetizing current. increase starting torque. ANSWER DOWNLOAD EXAMIANS APP