Electrical Machines In a dc machine 6 pole wave winding is used. The number of parallel paths are? 4 6 2 1 4 6 2 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, the angle between the stator and rotor fields is dependent upon the load. 180o. 90o. 0o. dependent upon the load. 180o. 90o. 0o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer operating at constant voltage if the input frequency increases, the core loss remains constant. decrease. None of these increase. remains constant. decrease. None of these increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To increase starting torque of a 3-phase slip ring induction motor, preferred method is to increase supply voltage None of these supply frequency rotor resistance supply voltage None of these supply frequency rotor resistance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The air gap between stator and the rotor of the 3 - φ induction motor is kept depends on the material of stator and the rotor. as wide as possible. air gap does not matter. as small as possible. depends on the material of stator and the rotor. as wide as possible. air gap does not matter. as small as possible. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stability of a synchronous motor ---------- with the increase in excitation. remains unaffected increases any of the above decreases remains unaffected increases any of the above decreases ANSWER DOWNLOAD EXAMIANS APP
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