For a 4-pole, 50 Hz induction motor has starting current as 5 times to that of the full load current working at a speed of 1450rpm. The ratio of starting to full load torque will be?

For a 4-pole, 50 Hz induction motor has starting current as 5 times to that of the full load current working at a speed of 1450rpm. The ratio of starting to full load torque will be?

(a) 0.83

(b) 0.17

(c) 0.67

(d) 1

I have been asked this question in final exam.

I want to ask this question from Starting of Polyphase Induction Motors-I in portion Starting of Induction Motors of Electrical Machines

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For a 4-pole, 50 Hz induction motor has starting current as 5 times to that of the full load current working at a speed of 1450rpm. The ratio of starting to full load torque will be?

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