Electrical Machines Which method is less recommendable for induction motor starting in the industries? Direct online starting. Stator resistance starting. Rotor resistance starting. Auto transformer starting. Direct online starting. Stator resistance starting. Rotor resistance starting. Auto transformer starting. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stability of a synchronous motor ---------- with the increase in excitation. any of the above increases remains unaffected decreases any of the above increases remains unaffected decreases ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque depends on which of the following? speed both A and B armature current (I) flux (φ) speed both A and B armature current (I) flux (φ) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power of any electrical motor is taken from the Armature. Coupling mounted on the shaft. Motor frame. Field. Armature. Coupling mounted on the shaft. Motor frame. Field. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If field current is decreased in shunt dc motor, the speed of the motor None of these decreases. remains same. increases. None of these decreases. remains same. increases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a 50 Hz three phase induction motor under full load condition is 725 rpm the number of poles of the motor are ______________. 6. 2. 8. 4. 6. 2. 8. 4. ANSWER DOWNLOAD EXAMIANS APP
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