SSC JE Electrical Engineering 23 Jan 2018 Morning Paper

Question : 188 of 200

Marks: +1, -0

A 30 kW rated output, 400V, 3 phase delta connected, 4–pole, 50 Hz induction motor full load slip of 5%. If the ratio of standstill reactance to resistance per rotor phase is 4 estimate the full load speed.