Electrical Machines Equalizer rings are used in which of the followings? None of these both 1 and 2 lap winding wave winding None of these both 1 and 2 lap winding wave winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An electric motor with constant output power will have a torque speed characteristics in the form of a Rectangular hyperbola Straight line through the origin. Straight line parallel to the speed axis. Circle about the origin. Rectangular hyperbola Straight line through the origin. Straight line parallel to the speed axis. Circle about the origin. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following rotor requires damper winding? Both type rotor. None of these Salient pole rotor. Cylindrical rotor. Both type rotor. None of these Salient pole rotor. Cylindrical rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The stator core of a 3 - Φ induction motor is laminated in order to reduce the eddy current loss. hysteresis loss. both of the above. weight of the stator. eddy current loss. hysteresis loss. both of the above. weight of the stator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator if field winding attains the critical resistance the voltage generated will be zero. field winding will burn. machine will generate maximum voltage. machine will generate maximum power. the voltage generated will be zero. field winding will burn. machine will generate maximum voltage. machine will generate maximum power. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines How can the synchronous speed of a 3 - Φ IM be varied? By varying number of poles. Both (A) and (B). By varying the supply frequency. By varying supply voltage. By varying number of poles. Both (A) and (B). By varying the supply frequency. By varying supply voltage. ANSWER DOWNLOAD EXAMIANS APP
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