Electrical Machines The current drawn by a DC motor at the time of starting is Zero. Normal. Very high. Very low. Zero. Normal. Very high. Very low. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines During no load test, an induction motor draws power only for the small copper loss. for core loss and copper loss. for copper loss and windage friction loss. for core loss and windage and friction loss. only for the small copper loss. for core loss and copper loss. for copper loss and windage friction loss. for core loss and windage and friction loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the field-flux axis and armature-mmf axis are respectively along quadrature axis and direct axis direct axis and indirect axis direct axis and interpolar axis quadrature axis and interpolar axis quadrature axis and direct axis direct axis and indirect axis direct axis and interpolar axis quadrature axis and interpolar axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 1000. 500. 2000. 0. 1000. 500. 2000. 0. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction depends on which of the following? power factor of load None of these magnitude of load current both 1 and 2 power factor of load None of these magnitude of load current both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is done in speed control of DC motor by field flux control? Inserting an additional resistance in the field circuit. Any of above. Inserting an additional resistance in the armature circuit. Inserting resistance to armature circuit and field circuit. Inserting an additional resistance in the field circuit. Any of above. Inserting an additional resistance in the armature circuit. Inserting resistance to armature circuit and field circuit. ANSWER DOWNLOAD EXAMIANS APP
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