D.C. machines designed with a large value of air gap length have

A. worst, ventilation

B. poor ventilation

C. better ventilation

D. none of the above

Answer: Option C

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Comments ( 2 )

  1. 3124 Nitesh
    3124 Nitesh :
    3 years ago

    as the structure is bigger the length of the air gap will increase due to this it will have better ventilation

  2. DJ AM
    DJ AM :
    4 years ago

    if the thickness of lamination is t then the eddy current losses is propotional to

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