Electrical Machines Transformer cooling and insulating oil must be of high viscosity. low BDV. low resistivity. low viscosity. high viscosity. low BDV. low resistivity. low viscosity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In large sized DC machines the compensating windings are provided to compensate for the decrease in speed due to increase of load. reduce eddy current losses by providing local short circuits. None of these neutralize voltage induced in coil due to fluctuation of l compensate for the decrease in speed due to increase of load. reduce eddy current losses by providing local short circuits. None of these neutralize voltage induced in coil due to fluctuation of l ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Diverters are used only in either of these shunt motors series motors None of these either of these shunt motors series motors None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When maximum flux density is constant, the eddy current losses are proportional to V2 f2 V f V2 f2 V f ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Star - delta method of starting of motor is not possible in case of high speed motor. high torque motor. single phase induction motor. low horse power motor. high speed motor. high torque motor. single phase induction motor. low horse power motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If two 8-pole dc machines of identical armature sare wound, one with lap winding and the other with wave winding, then lap-wound machine will have more rated voltage and more current lap-wound machine will have more rated voltage and less current wave-wound machine will have more rated voltage and less current wave-wound machine will have more rated current and more voltage lap-wound machine will have more rated voltage and more current lap-wound machine will have more rated voltage and less current wave-wound machine will have more rated voltage and less current wave-wound machine will have more rated current and more voltage ANSWER DOWNLOAD EXAMIANS APP
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