Electrical Machines Which of the following DC motors has got maximum relieving property? Series. Cummulative compound. Shunt. Differentical compound. Series. Cummulative compound. Shunt. Differentical compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Equalizer rings are used in which of the followings? wave winding None of these both 1 and 2 lap winding wave winding None of these both 1 and 2 lap winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Autotransformer makes effective saving on copper and copper losses, when its transformation ratio is equal to less than one. very low approx to one. greater than one. less than one. very low approx to one. greater than one. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which transformer, the tertiary winding is used? Delta - delta Delta - star Star - delta Star - star Delta - delta Delta - star Star - delta Star - star ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following speed control of DC motor the speed obtained is below than the rated speed? Field resistance control. Armature circuit resistance control. Any of above. Armature voltage control. Field resistance control. Armature circuit resistance control. Any of above. Armature voltage control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the load current and flux of a DC motor are held constant and voltage applied across it armature is increased by 5%, the speed of the motor will Remain unchanged. Reduce by 5%. Depends on other factor. Increase by 5%. Remain unchanged. Reduce by 5%. Depends on other factor. Increase by 5%. ANSWER DOWNLOAD EXAMIANS APP
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