Electrical Machines In DC motors, under trailing pole tips, flux density will_______ ? None of these decrease increase either increase or decrease None of these decrease increase either increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tap changer is generally provided in voltage transformer. power transformer. earthing transformer. current transformer. voltage transformer. power transformer. earthing transformer. current transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a three phase star - delta transformer, what is the angle difference between primary and secondary phase voltages? Delta side lags by -30°. Star side leads by 30°. Delta side leads by 30°. Star side lags by -30°. Delta side lags by -30°. Star side leads by 30°. Delta side leads by 30°. Star side lags by -30°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following generators negative voltage regulation can occur? shunt generator series generators both B and C over compound generator shunt generator series generators both B and C over compound generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC generator used for arc welding purpose is a shunt generator cumulatively compounded generator differentially compounded generator series generator shunt generator cumulatively compounded generator differentially compounded generator series generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, the frequency of a voltage at the secondary is equal to primary. greater than the primary. any of the above. less than primary. equal to primary. greater than the primary. any of the above. less than primary. ANSWER DOWNLOAD EXAMIANS APP
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