In static Kramer drive, motor turns ratio is 0.6, the firing angle is 120o. The motor slip is

In static Kramer drive, motor turns ratio is 0.6, the firing angle is 120o. The motor slip is 

 (a) 0.633 (b) 0.533 (c) 0.833 (d) 0.733 

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Answer :

In static Kramer drive, motor turns ratio is 0.6, the firing angle is 120o. The motor slip is 0.833

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