Electrical Machines To increase starting torque of a 3-phase slip ring induction motor, preferred method is to increase None of these supply voltage rotor resistance supply frequency None of these supply voltage rotor resistance supply frequency ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, find rms line voltage for delta connection? 399 V. 230.2 V. 50 V. 100 V. 399 V. 230.2 V. 50 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ___________________ generator has the poorest voltage regulation. under-compounded. over compounded. shunt. differential compounded. under-compounded. over compounded. shunt. differential compounded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For same HP rating and full load speed which of following motor has poor starting torque? Shunt. Series. Differently compounded. Cummulative compound. Shunt. Series. Differently compounded. Cummulative compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer cooling and insulating oil must be of low viscosity. low resistivity. high viscosity. low BDV. low viscosity. low resistivity. high viscosity. low BDV. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator sparking between brushes and commutator surface may be due to too rapid reversal of current. over commutation. any of the above. under commutation. too rapid reversal of current. over commutation. any of the above. under commutation. ANSWER DOWNLOAD EXAMIANS APP
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