Electrical Machines Regenerative braking is not found in which motor? DC shunt. DC series. Induction motor. DC compound. DC shunt. DC series. Induction motor. DC compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two of supply terminals to a 3 - Φ induction motor get interchanged during re-connection after normal maintenance. When switched on the supply, the motor will rotate in the same direction as before maintenance. rotate in direction opposite to that before maintenance. get heated and damaged. not start at all. rotate in the same direction as before maintenance. rotate in direction opposite to that before maintenance. get heated and damaged. not start at all. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cogging and crawling are phenomena associated with the former during starting and the latter at a fraction of its rated speed. cage induction machines and they are essentially the same. the former at a fraction of its rate speed and the latter during starting. any of the above. the former during starting and the latter at a fraction of its rated speed. cage induction machines and they are essentially the same. the former at a fraction of its rate speed and the latter during starting. any of the above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is increased, the power factor is None of these unity power factor leading power factor lagging power factor None of these unity power factor leading power factor lagging power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Select the motor that should not be started on no load? Series motor. Brushless DC motor. Shunt motor. Compound motor. Series motor. Brushless DC motor. Shunt motor. Compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To increase starting torque of a 3-phase slip ring induction motor, preferred method is to increase rotor resistance supply voltage None of these supply frequency rotor resistance supply voltage None of these supply frequency ANSWER DOWNLOAD EXAMIANS APP
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