Electrical Machines Transformer cooling and insulating oil must be of low BDV. high viscosity. low resistivity. low viscosity. low BDV. high viscosity. low resistivity. low viscosity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breather is provided in a transformer to provide cold air in transformer. absorb moisture of air during breathing. filter the transformer oil. absorb moisture from air entering in transformer. provide cold air in transformer. absorb moisture of air during breathing. filter the transformer oil. absorb moisture from air entering in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ventilating ducts in most of DC machine are radial as well as longitudinal. radial. longitudinal. none of these. radial as well as longitudinal. radial. longitudinal. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In speed control of DC shunt motor by varying field flux, what may be the value of field regulator? 10 ohm 2 ohm. 100 ohm 0.2 ohm 10 ohm 2 ohm. 100 ohm 0.2 ohm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of squirrel cage induction motor is both A and B low at light loads only low at heavy loads only low at rated load only both A and B low at light loads only low at heavy loads only low at rated load only ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC series motor is best suited for electric traction as It is cheaper in cost. It consume less power. It runs at very high speed at light load. It develops high starting torque. It is cheaper in cost. It consume less power. It runs at very high speed at light load. It develops high starting torque. ANSWER DOWNLOAD EXAMIANS APP
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