engineering recuitment MPPKVVCL Line Attendant Mock Test 2025 Electrician and Wireman Electrical Machines Polyphase Induction Motors
A 4-pole, 3-phase induction motor operates from a supply whose frequency is 50 Hz. Calculate the speed of the rotor when the slip is 0.04.
1
1440 rpm
2
1400 rpm
3
1460 rpm
4
1420 rpm