Electrical Machines Field weakening control method is used for the _________ ? both A and B above rated speed below rated speed None of these both A and B above rated speed below rated speed None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The self induced emf in the coil undergoing commutation is called the None of these dynamically induced voltage. reactance voltage. statically induced voltage. None of these dynamically induced voltage. reactance voltage. statically induced voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The starting resistance of DC motor is generally Low. 1000 ohms. around 500 ohms. Infinitely large. Low. 1000 ohms. around 500 ohms. Infinitely large. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A compound motor has tertiary winding. only series field winding. both shunt and series field winding. only shunt field winding. tertiary winding. only series field winding. both shunt and series field winding. only shunt field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt generator has full-load voltage regulation of 10% at rated speed of 1000 rpm. If it is now driven at 1250 rpm, then its voltage regulation at full load would be more than 10% be less than 10% remain unchanged be 12.5% be more than 10% be less than 10% remain unchanged be 12.5% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Type of single phase motor having highest power factor at full load is capacitor run. shaded pole type. capacitor start. split phase. capacitor run. shaded pole type. capacitor start. split phase. ANSWER DOWNLOAD EXAMIANS APP