Electrical Machines CRGO steel is used in the core of transformer to reduce both eddy current and hysteresis loss. ohmic loss. hysteresis loss. eddy current loss. both eddy current and hysteresis loss. ohmic loss. hysteresis loss. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor must started on no load because it would Run at dangerously high speed. Not develop starting torque. Fail to start without load. Draw more current without producing sufficient torque. Run at dangerously high speed. Not develop starting torque. Fail to start without load. Draw more current without producing sufficient torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Winding conductors of an electrical power transformer are mainly insulated by wooden insulation. paper insulation. rubber insulation. cotton insulation. wooden insulation. paper insulation. rubber insulation. cotton insulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space waveform of the air-gap flux distribution affects torque but not the voltage neither the voltage nor the torque both the torque and voltage voltage but not the torque torque but not the voltage neither the voltage nor the torque both the torque and voltage voltage but not the torque ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a single phase capacitor start induction motor which of the following is valid? Rotation can be changed by reversing main winding terminals. Direction of rotation cannot be changed. None of these. Rotation can be changed by interchanging supply terminals. Rotation can be changed by reversing main winding terminals. Direction of rotation cannot be changed. None of these. Rotation can be changed by interchanging supply terminals. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutator pitches of duplex and simplex lap windings are respectively 2 and 1 4 and 2 2 and 2 4 ang 1 2 and 1 4 and 2 2 and 2 4 ang 1 ANSWER DOWNLOAD EXAMIANS APP
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