engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Electrical Machines Single Phase Motor and Special Machines
Which of the following statements regarding hysteresis motor is incorrect?
1
It is extremely sensitive to fluctuations in supply voltage
2
Its high starting torque is due to its high rotor hysteresis loss
3
It is extremely quiet in operation
4
It accelerates from rest to full-speed almost instantaneously