Electrical Machines Iron losses in a DC machine are independent of variation in voltage. speed and voltage. load. speed. voltage. speed and voltage. load. speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is suitable for frequent starting and stoppings? Resistance split phase motor Capacitor start capacitor run motor All of these Capacitor start motor Resistance split phase motor Capacitor start capacitor run motor All of these Capacitor start motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stability of a synchronous motor ---------- with the increase in excitation. decreases any of the above increases remains unaffected decreases any of the above increases remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cross magnetization effects which of the following? reduces the terminal voltage both 2 and 3 commutation reduction in main field flux reduces the terminal voltage both 2 and 3 commutation reduction in main field flux ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The teeth in the armature of a DC machines are sometimes skewed. This is done to reduce copper loss. hysteresis loss. vibrations. eddy electric current loss. copper loss. hysteresis loss. vibrations. eddy electric current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/V ratio of a DC motor is an indication of Running Torque. Starting torque. Effiency. Speed regulation. Running Torque. Starting torque. Effiency. Speed regulation. ANSWER DOWNLOAD EXAMIANS APP
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