Electrical Machines When a DC cummulative compound wound motor is loaded Torque decrease and speed increases. Torque and speed both increase. Both torque and speed decrease. Torque increase and speed decrease. Torque decrease and speed increases. Torque and speed both increase. Both torque and speed decrease. Torque increase and speed decrease. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following motor is preferred for belt conveyor? Universal motor. Reluctance motor. Slip ring induction motor. Synchronous motors. Universal motor. Reluctance motor. Slip ring induction motor. Synchronous motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under commutation results in no sparking. sparking the trailing edge of the brush. sparking at the leading edge of the brush. sparking at the middle of the brush. no sparking. sparking the trailing edge of the brush. sparking at the leading edge of the brush. sparking at the middle of the brush. 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 switched reluctance motor. DC motor. induction motor. variable reluctance motor. switched reluctance motor. DC motor. induction motor. variable reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque developed in IM is nearly proportional to 1 / V2. V2. V. 1 / V. 1 / V2. V2. V. 1 / V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motors, there is large decrease in maximum power factor when the dispersion coefficient is ________________. increased. kept constant to certain value. remains same. decreased. increased. kept constant to certain value. remains same. decreased. ANSWER DOWNLOAD EXAMIANS APP
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