Electrical Machines Number of slip rings in 3-phase synchronous motor will be 0 1 3 or 4 2 0 1 3 or 4 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines CRGO steel is used in the core of transformer to reduce both eddy current and hysteresis loss. eddy current loss. hysteresis loss. ohmic loss. both eddy current and hysteresis loss. eddy current loss. hysteresis loss. ohmic loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor speed, in a synchronous machine, becomes more than the synchronous speed during hunting, the damper bars develop synchronous motor torque. induction generator torque. induction motor torque. DC motor torque. synchronous motor torque. induction generator torque. induction motor torque. DC motor torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ induction motor none of them. power factor at starting is low as compared to that while running. power factor at starting is high as compared to that while running. power factor at starting in the same as that while running. none of them. power factor at starting is low as compared to that while running. power factor at starting is high as compared to that while running. power factor at starting in the same as that while running. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature reaction mmf in a DC machines has a form of triangular. trapezoidal. sinusoidal. rectangular. triangular. trapezoidal. sinusoidal. rectangular. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of dielectric material is used in capacitors used for fans and for power factor correction? Mica. Vacuum. Oil impregnated paper. Glass. Mica. Vacuum. Oil impregnated paper. Glass. ANSWER DOWNLOAD EXAMIANS APP
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