Electrical Machines The induction motor shaft is made of stainless steel. aluminium. cast iron. mild steel. stainless steel. aluminium. cast iron. mild steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in a conductor rotating in a bipolar field is None of these AC. both of above. DC. None of these AC. both of above. DC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a given torque, reducing diverter resistance of a DC series motor causes decrease in speed but armature current remains the same. increase in speed but armature currnet remains the same. decrease in speed demanding less armature current. increase in speed demanding more armature current. decrease in speed but armature current remains the same. increase in speed but armature currnet remains the same. decrease in speed demanding less armature current. increase in speed demanding more armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At what power factor, the voltage regulation of a transformer can be zero ? Leading power factor. Lagging power factor. Unity power factor. Zero power factor. Leading power factor. Lagging power factor. Unity power factor. Zero power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator, inverted V curve is drawn between field current on X-axis and power factor on Y-axis field current on Y-axis and power factor on X-axis field current on Y-axis and armature current on X-axis field current on X-axis and armature current on Y-axis field current on X-axis and power factor on Y-axis field current on Y-axis and power factor on X-axis field current on Y-axis and armature current on X-axis field current on X-axis and armature current on Y-axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 1-phase induction motor, if the forward torque slip is S, what is the backward torque slip? S 1-S 1/S 2-S S 1-S 1/S 2-S ANSWER DOWNLOAD EXAMIANS APP
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