Electrical Machines The stator core of a 3 - Φ induction motor is laminated in order to reduce the weight of the stator. eddy current loss. both of the above. hysteresis loss. weight of the stator. eddy current loss. both of the above. hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slight curvature at the lower end of the OCC of a self excited DC generator is due to residual flux. high speed. magnetic inertia. high field resistance. residual flux. high speed. magnetic inertia. high field resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor fitted with ceiling / table fans is of the value of 0.1 µF. 1 - 2 µF. 5 - 10 F. 2 - 3 µF. 0.1 µF. 1 - 2 µF. 5 - 10 F. 2 - 3 µF. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer action requires a increasing magnetic flux. alternating magnetic lux. alternating electric flux. constant magnetic flux. increasing magnetic flux. alternating magnetic lux. alternating electric flux. constant magnetic flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On which of the following factor/factors the speed of a DC motor depends upon? All of these. Armature current. Field flux. Applied voltage. All of these. Armature current. Field flux. Applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If any two leads from slip rings are interchanged in a 3 - Φ induction motor, the motor will continue running in the same direction as before. run in a direction opposite to previous one. not run. get damaged. continue running in the same direction as before. run in a direction opposite to previous one. not run. get damaged. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS