Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is zero leading lagging unity zero leading lagging unity ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip exists in none of above. induction motor. in both machines. synchronous motor. none of above. induction motor. in both machines. synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the temperature of armature resistance is increased, the speed of a series motor would None of above. increase. decrease. not change. None of above. increase. decrease. not change. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loop represents the area of copper loss eddy current loss hysteresis loss total iron losses copper loss eddy current loss hysteresis loss total iron losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The leakage reactance of a 3-phase alternator is determined by performing short circuit and slip tests. open circuit and short circuit tests. open circuit and zero power factor tests. zero power factor and slip tests. short circuit and slip tests. open circuit and short circuit tests. open circuit and zero power factor tests. zero power factor and slip tests. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Regenerative braking is not found in which motor? DC shunt. DC series. Induction motor. DC compound. DC shunt. DC series. Induction motor. DC compound. ANSWER DOWNLOAD EXAMIANS APP