Electrical Machines Find the number of poles required, when the frequency is 50Hz and speed of the motor is 500 rpm? 10 5 24 12 10 5 24 12 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following transformer insulating oil generally used in India? Aromatics based insulating oil. Paraffin based insulating oil. Olefin based insulating oil. Naphtha based insulating oil. Aromatics based insulating oil. Paraffin based insulating oil. Olefin based insulating oil. Naphtha based insulating oil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power flow of a dc motor, with respect to a DC generator is none of these. increased. modified. reversed. none of these. increased. modified. reversed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An ideal DC generated is one that has _____________ voltage regulation. negative. zero. low. positive. negative. zero. low. positive. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Select the motor that should not be started on no load? Brushless DC motor. Compound motor. Shunt motor. Series motor. Brushless DC motor. Compound motor. Shunt motor. Series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the mechanical angle α between the stator and rotor poles increases, then the stator current Increases. Remains unchanged. None of above. Decreases. Increases. Remains unchanged. None of above. Decreases. ANSWER DOWNLOAD EXAMIANS APP
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