DC Motors For constant torque drive which speed control method is preferred? Shunt armature control Armature voltage control Field control Mechanical loading system Shunt armature control Armature voltage control Field control Mechanical loading system 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 The mechanical power developed by a shunt motor will be maximum when the ratio of back emf to applied voltage is 4.0 1.0 2.0 0.5 4.0 1.0 2.0 0.5 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 By looking at which part of the motor, it can be easily confirmed that a particular motor is D.C. motor? Shaft Commutator Frame Stator Shaft Commutator Frame Stator ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a series motor at no load is 2000 rpm Infinity 4000 rpm 1000 rpm 2000 rpm Infinity 4000 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS