DC Motors The running speed of a dc series motor is basically determined by Load None of the listed here Field excitation Armature reaction Load None of the listed here Field excitation Armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating pole winding is connected in None of the listed here Parallel with the armature Series-parallel with the armature Series with the armature None of the listed here Parallel with the armature Series-parallel with the armature Series with the armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? All of these Full-load current Starting torque Operating speed All of these Full-load current Starting torque Operating speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed by a shunt motor will be maximum when the ratio of back emf to applied voltage is 2.0 4.0 1.0 0.5 2.0 4.0 1.0 0.5 ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Armature winding Commutator Field winding Slip rings Armature winding Commutator Field winding Slip rings ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? Field copper loss Windage loss None of these Armature copper loss Field copper loss Windage loss None of these Armature copper loss ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS