Electrical Machines Capacitor in split phase induction motor is used to improve the power factor. reduce the harmonics. improve the starting torque. start the motor. improve the power factor. reduce the harmonics. improve the starting torque. start the motor. 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. not start at all. get heated and damaged. rotate in the same direction as before maintenance. rotate in direction opposite to that before maintenance. not start at all. get heated and damaged. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines CRGO steel is used in the core of transformer to reduce hysteresis loss. both eddy current and hysteresis loss. ohmic loss. eddy current loss. hysteresis loss. both eddy current and hysteresis loss. ohmic loss. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC cumulatively compounded motor delivers rated load torque at rated speed. If the series field is short-circuited, then the armature current and speed will decrease and increase respectively both decrease increase and decrease respectively both increase decrease and increase respectively both decrease increase and decrease respectively both increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power input to a 3 - φ induction motor is 60 kW and stator loss is 1 kW the rotor cu loss per phase is 1. slip X 50 / 3. slip X 59 / 3. slip X 69 / 3. 1. slip X 50 / 3. slip X 59 / 3. slip X 69 / 3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Wave winding is prefered for which of the following rating? low current and low voltage high current and low voltage low current and high voltage high current and high voltage low current and low voltage high current and low voltage low current and high voltage high current and high voltage ANSWER DOWNLOAD EXAMIANS APP
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