Electrical Machines If an additional resistance is connected in series with a DC series motor operating at rated speed, the speed of the motor will Increase. Oscillate around the normal speed. Remain unaltered. Reduce. Increase. Oscillate around the normal speed. Remain unaltered. Reduce. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors has negative speed regulation? Differential compound motors. Both B and C. Shunt motors. Series motors. Differential compound motors. Both B and C. Shunt motors. Series motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors are used for lathes? Either A or B. Synchronous motor. DC shunt motors. Cage induction motor. Either A or B. Synchronous motor. DC shunt motors. Cage induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In alternator, the rotary part is armature. core. none of these. magnetic field poles. armature. core. none of these. magnetic field poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC shunt motors are suitable for Blowers and fans. All of this. Centrifugal pumps Lathes. Blowers and fans. All of this. Centrifugal pumps Lathes. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frame of an induction motor is made of silicon steel. stainless steel. aluminium. closed grained cast iron. silicon steel. stainless steel. aluminium. closed grained cast iron. ANSWER DOWNLOAD EXAMIANS APP