Electrical Machines A 8 pole, 50 Hz single phase induction motor is running at 690 rpm. Its slip with respect to forward field is 0.08 1.92 -1.92 -0.08 0.08 1.92 -1.92 -0.08 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dc generator is running at 1500 rpm the frequency of current in the armature winding is 200Hz. 150Hz. 100Hz. 50Hz. 200Hz. 150Hz. 100Hz. 50Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flashing of DC generator means None of these creation of residual magnetism by a DC source. neutralization of residual magnetism. increasing flux density by providing extra ampere-turns in field. None of these creation of residual magnetism by a DC source. neutralization of residual magnetism. increasing flux density by providing extra ampere-turns in field. 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. 800 Amp. 320 Amp. 0.5 Amp. 400 Amp. 800 Amp. 320 Amp. 0.5 Amp. 400 Amp. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, if direct axis reactance and quadrature axis reactance is equal, then power developed due to reluctance is zero maximum any of the above infinite value zero maximum any of the above infinite value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a part of transformer? Commutator. Tap changer. Conservator tank. Radiator. Commutator. Tap changer. Conservator tank. Radiator. ANSWER DOWNLOAD EXAMIANS APP
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