Hamad Electrical Machine Design 26/04/2021 A. drastically increased B. drastically reduced C. unaffected D. none of the above Related Mcqs: impose limitation on design____________?A. Saturation B. Temperature rise C. Efficiency D. Power factor E. All above... Hydrogen has a heat transfer co-efficient __________ times that of air?A. 1.5 B. 2.5 C. 3.5 D. 4.5... Tractive magnets are operated from____________?A. a.c. supply B. d.c. supply C. either a.c. or d.c. supply D. none of the above... In D.C. machines the width of the duct is usually_____________?A. 4 mm B. 6 mm C. 8 mm D. 10 mm... Helical windings are used in________________?A. distribution transformers B. power transformers C. shell type transformers D. none of the above...
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