Electrical Machines In which of the following, voltage regulation may be zero or negative unity power factor All of these lagging power factor leading power factor unity power factor All of these lagging power factor leading power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC shunt motor if load is increased, the speed increase proportional. reduce slightly. increased slightly. remains constant. increase proportional. reduce slightly. increased slightly. remains constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a Dc generator the magnetic neutral axis coincide with geometrical neutral axis, when the generator runs on overload. the generator runs on full load. there is no load on the generator. the generator runs on designed speed. the generator runs on overload. the generator runs on full load. there is no load on the generator. the generator runs on designed speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt generator has full-load voltage regulation of 10% at rated speed of 1000 rpm. If it is now driven at 1250 rpm, then its voltage regulation at full load would remain unchanged be 12.5% be less than 10% be more than 10% remain unchanged be 12.5% be less than 10% be more than 10% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines As compared to an induction motor, the air gap in a DC motor is between 50% and 90%. same. less than 50%. more. between 50% and 90%. same. less than 50%. more. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For high current and low current rating which winding is employed to DC machine? None of above Wave winding Lap winding Both lap and wave winding None of above Wave winding Lap winding Both lap and wave winding ANSWER DOWNLOAD EXAMIANS APP
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