Electrical Machines Eb/V ratio of a DC motor is an indication of Effiency. Speed regulation. Starting torque. Running Torque. Effiency. Speed regulation. Starting torque. Running Torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test on induction motor is conducted to find which of the following losses? Stator copper loss All of these Stator core loss Rotational loss Stator copper loss All of these Stator core loss Rotational loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The magnetic field which initially induces emf in the armature in a self excited DC generator is because of permanent magnets. armature reaction. None of these residual magnetism. permanent magnets. armature reaction. None of these residual magnetism. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip exists in induction motor. none of above. synchronous motor. in both machines. induction motor. none of above. synchronous motor. in both machines. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines We can apply source transformation to voltage source when a resistance is connected to it in 14 HP. 13 HP. 10 HP. 15 HP. 14 HP. 13 HP. 10 HP. 15 HP. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following will vary the maximum torque? rotor resistance R both 1 and 2 None of these rotor reactance X rotor resistance R both 1 and 2 None of these rotor reactance X ANSWER DOWNLOAD EXAMIANS APP
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