DC Motors ______ motor has the best speed regulation. Differentially compounded Cummulative compounded Series Shunt Differentially compounded Cummulative compounded Series Shunt ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. generator, the iron losses mainly take place in Yoke Armature conductors Commutator Armature rotor Yoke Armature conductors Commutator Armature rotor ANSWER DOWNLOAD EXAMIANS APP
DC Motors No load speed of which of the following motor will be highest? Series motor Cummulative compounded motor Shunt motor Differentially compounded motor Series motor Cummulative compounded motor Shunt motor Differentially compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. motor designed for 40°C ambient temperature is to be used for 50°C ambient temperature, then the motor Of lower H.P. should be selected Of higher H.P. should be selected Is to be de-rated by a factor recommended by manufacturer and select the next higher H.P. motor Can be used for 50°C ambient temperature also Of lower H.P. should be selected Of higher H.P. should be selected Is to be de-rated by a factor recommended by manufacturer and select the next higher H.P. motor Can be used for 50°C ambient temperature also ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is comnected across the AC supply it will Burn due to heat produced in the field winding by eddy currents Run at normal speed Not run Run at lower speed Burn due to heat produced in the field winding by eddy currents Run at normal speed Not run Run at lower speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The greatest percentage of power loss in a dc motor is due to Friction loss Core loss Windage loss Copper loss Friction loss Core loss Windage loss Copper loss ANSWER DOWNLOAD EXAMIANS APP