Hamad Electrical Machine Design 05/10/2021 A. 10 m/s B. 20 m/s C. 30 m/s D. 40 m/s Related Mcqs: If an insulating material is operated beyond the maximum allowable temperature, its life is_____________?A. drastically increased B. drastically reduced C. unaffected D. none of the above... __________is extensively used for those portions of magnetic circuit which carry steady flux and need superior mechanical properties ?A. Grey cast-iron B. Cast steel C. High carbon steel D. Stainless steel... The design of electromagnets is based upon which of the following fundamental equations ?A. Force equation B. Magnetic circuit equation C. Heating equation D. Voltage equation E. All of the above... Power transformers have rating_______________?A. equal to 50 kVA B. equal to 100 kVA C. above 200 kVA D. none of the above... The surge phenomenon is particularly important in case of_______________?A. low voltage transformers B. medium voltage transformers C. high voltage transformers D. any of the above...
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