Electrical Machines For small value armature current Ia the torque developed by a DC series motor is proportional to √Ia. 1/Ia. Ia2. Ia. √Ia. 1/Ia. Ia2. Ia. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors are used for lathes? Cage induction motor. DC shunt motors. Either A or B. Synchronous motor. Cage induction motor. DC shunt motors. Either A or B. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field connection of a DC Shunt Motor is changed then it will run in same direction. it will run in opposite direction. it will run in same direction by slowly. motor will not run. it will run in same direction. it will run in opposite direction. it will run in same direction by slowly. motor will not run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard system, the lower limit of the speed imposed by Residual magnetism of the generator. Field resistance. None of above. Armature resistance. Residual magnetism of the generator. Field resistance. None of above. Armature resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor torque or load angle δ ------------- with increase in load None of these remains unaffected increases decreases None of these remains unaffected increases decreases ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the excitation of normally operating unloaded, salient pole synchronous motor suddenly gets disconnected, it continues to run as a induction motor. DC motor. switched reluctance motor. variable reluctance motor. induction motor. DC motor. switched reluctance motor. variable reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS