DC Motors The greatest percentage of power loss in a dc motor is due to Copper loss Windage loss Core loss Friction loss Copper loss Windage loss Core loss Friction loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc compound machine, Shunt field winding plays dominant role Either can play dominant role Series field winding plays dominant role Both play equally dominant role Shunt field winding plays dominant role Either can play dominant role Series field winding plays dominant role Both play equally dominant role ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following can be used for controlling the speed of a dc motor? Thyristor Thermistor Thyratron Transistor Thyristor Thermistor Thyratron Transistor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a _____ motor is practically constant. Shunt Differentially compounded Cumulatively compounded Series Shunt Differentially compounded Cumulatively compounded Series ANSWER DOWNLOAD EXAMIANS APP
DC Motors The value of back emf in dc motor is maximum at None of the listed here Half full load No load Full load None of the listed here Half full load No load Full load ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following law can be used to determine the direction of rotation of dc motor? Coloumb's law Lenz's law Faraday's law Fleming's left hand rule Coloumb's law Lenz's law Faraday's law Fleming's left hand rule ANSWER DOWNLOAD EXAMIANS APP
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