In D.C. machines fractional pitch winding is used

In D.C. machines fractional pitch winding is used

Q. In D.C. machines fractional pitch winding is used

A.            to improve cooling

B.            to reduce copper losses

C.            to increase the generated e.m.f.

D.            to reduce the sparking

Answer: to reduce the sparking

Gkseries: Gkseries.com is a premier website to provide complete solution for online preparation of different competitive exams like UPSC, SBI PO, SBI clerical, PCS, IPS, IAS, IBPS PO, IBPS Clerical exam etc. & other graduate and post-graduate exams. Learn more on about us page