Electrical Machines Flux density under leading pole tips in case of generator will decrease increase either increase or decrease None of these decrease increase either increase or decrease None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 8-pole, DC generator has a simplex wave-wound armature containing 32 coils of 6 turns each. Its flux per pole is 0.06 Wb. The machine is running at 250 rpm. The induced armature voltage is 384 V 768 V 96 V 192 V 384 V 768 V 96 V 192 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If we increase the rotor reactance value, the maximum torque will None of these increase not changed decrease None of these increase not changed decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines There are two 2-pole DC machines. Main field axis of machine A is horizontal and that of B is vertical. It is preferable to purchase machine A machine B none of these any of the two machines machine A machine B none of these any of the two machines ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of bearing is provided in small induction motors to support the rotor shaft? Ball bearings. Cast iron bearings. Bush bearings. None of these Ball bearings. Cast iron bearings. Bush bearings. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase transformer when supplied from 220 V, 50 Hz has eddy current loss of 50 W. If the transformer is connected voltage of 330 V, 75 Hz, the eddy current loss will be 168.75 W 50 W 75 W 112.5 W 168.75 W 50 W 75 W 112.5 W ANSWER DOWNLOAD EXAMIANS APP
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