Electrical Machines The armature reaction mmf in a DC machines has a form of trapezoidal. rectangular. sinusoidal. triangular. trapezoidal. rectangular. sinusoidal. triangular. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines CRGO steel is used in the core of transformer to reduce eddy current loss. ohmic loss. both eddy current and hysteresis loss. hysteresis loss. eddy current loss. ohmic loss. both eddy current and hysteresis loss. hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in a conductor rotating in a bipolar field is AC. DC. both of above. None of these AC. DC. both of above. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines During hunting of a synchronous motor field excitation increases. harmonic are developed in the armature circuit. damper bar develops torque. negative phase sequence currents are generated. field excitation increases. harmonic are developed in the armature circuit. damper bar develops torque. negative phase sequence currents are generated. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines stepped cores are used in transformers in order to reduce reluctance of core. iron loss. volume of iron. volume of copper. reluctance of core. iron loss. volume of iron. volume of copper. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the DC Motor use flywheel? Differently compared motor. Cumulatively compound motor. Series motor. Shunt motor. Differently compared motor. Cumulatively compound motor. Series motor. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP