Electrical Machines If the field current is reduced to zero the maximum power developed by alternator is 5.46 KW. 0.9103 KW. 2.73 KW. 1.644 KW. 5.46 KW. 0.9103 KW. 2.73 KW. 1.644 KW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eg (generated emf) and Eb (back emf) both are none of above. different. changes. same. none of above. different. changes. same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The condition for maximum running torque is 0.5 lagging unity zero 0.707 lagging R = S.X 0.5 lagging unity zero 0.707 lagging R = S.X ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The short circuit test on a transformer is conducted to obtain hysteresis loss. copper losses. eddy current loss. core loses only. hysteresis loss. copper losses. eddy current loss. core loses only. 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 small as possible. as wide as possible. air gap does not matter. depends on the material of stator and the rotor. as small as possible. as wide as possible. air gap does not matter. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If field current is decreased in shunt dc motor, the speed of the motor decreases. remains same. None of these increases. decreases. remains same. None of these increases. ANSWER DOWNLOAD EXAMIANS APP
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