Electrical Machines The torque speed characteristics of a AC servomotor is approximately hyperbola parabola linearised any of the above hyperbola parabola linearised any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eg (generated emf) and Eb (back emf) both are changes. same. different. none of above. changes. same. different. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors are used for lathes? Cage induction motor. DC shunt motors. Synchronous motor. Either A or B. Cage induction motor. DC shunt motors. Synchronous motor. Either A or B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature coil is short circuited by brushes when it lies along neutral axis. in none of above positions. in any of above positions. along field axis. along neutral axis. in none of above positions. in any of above positions. along field axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 8 pole, 50 Hz single phase induction motor is running at 690 rpm. Its slip with respect to forward field is -0.08 1.92 -1.92 0.08 -0.08 1.92 -1.92 0.08 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage to a dc machine is 230 V, then the back emf, for maximum power developed, is 115 V 200 V 230 V 460 V 115 V 200 V 230 V 460 V ANSWER DOWNLOAD EXAMIANS APP
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