Electrical Machines The output power of any electrical motor is taken from the Coupling mounted on the shaft. Field. Armature. Motor frame. Coupling mounted on the shaft. Field. Armature. Motor frame. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output voltage of a DC generator is E = V – IaRa. E = V + Ia. E = V + IaRa. E = V + Ra. E = V – IaRa. E = V + Ia. E = V + IaRa. E = V + Ra. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is critical, the power factor of the alternator is unity power factor. leading power factor. lagging power factor. None of these unity power factor. leading power factor. lagging power factor. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 100/10, 50 VA double winding transformer is converted to 100/110 V auto transformer. The rating of auto transformer is 500 VA 100 VA 550 VA 110 VA 500 VA 100 VA 550 VA 110 VA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Crawling in an induction motor is due to space harmonics produced by winding currents. slip ring rotor. time harmonics in supply. insufficient starting torque. space harmonics produced by winding currents. slip ring rotor. time harmonics in supply. insufficient starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer core is laminated to reduce hysteresis loss. copper loss. eddy current loss. both 1 and 2. hysteresis loss. copper loss. eddy current loss. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
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