Electrical Machines When a transformer is loaded, the secondary terminal voltage drops. That means power factor is leading. unity. lagging. zero. leading. unity. lagging. zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. cage. none of these. wound. linear. cage. none of these. wound. linear. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a given torque, reducing diverter resistance of a DC series motor causes decrease in speed demanding less armature current. decrease in speed but armature current remains the same. increase in speed demanding more armature current. increase in speed but armature currnet remains the same. decrease in speed demanding less armature current. decrease in speed but armature current remains the same. increase in speed demanding more armature current. increase in speed but armature currnet remains the same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In diesel engine, gas engine type of machine contains ___________________ pole type of alternator. cylindrical. non uniform cylindrical. none of these. salient. cylindrical. non uniform cylindrical. none of these. salient. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines As compared to DOL starting, a cage induction motor with star-delta starting shall have more starting torque. more starting time. smoother acceleration. reduced starting current. more starting torque. more starting time. smoother acceleration. reduced starting current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Damper winding is used to suppress the hunting. increase the load current. decrease the load current. both 1 and 2. suppress the hunting. increase the load current. decrease the load current. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP