DC Motors If a dc motor is comnected across the AC supply it will Not run Run at normal speed Run at lower speed Burn due to heat produced in the field winding by eddy currents Not run Run at normal speed Run at lower speed Burn due to heat produced in the field winding by eddy currents ANSWER DOWNLOAD EXAMIANS APP
DC Motors The resistance of shunt field winding as compared to series field winding is None of the listed here Less More The same None of the listed here Less More The same ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motor has the best speed regulation. Differentially compounded Shunt Series Cummulative compounded Differentially compounded Shunt Series Cummulative compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following law can be used to determine the direction of rotation of dc motor? Lenz's law Fleming's left hand rule Faraday's law Coloumb's law Lenz's law Fleming's left hand rule Faraday's law Coloumb's law ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following in a dc motor, can sustain the maximum temperature rise? Field winding Slip rings Armature winding Commutator Field winding Slip rings Armature winding Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Flux Armature current Speed Field and armature resistance Flux Armature current Speed Field and armature resistance ANSWER DOWNLOAD EXAMIANS APP