Electrical Machines To eliminate 5th harmonic in the induced voltage phase breadth should be 30° 72° 36° 18° 30° 72° 36° 18° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable moisture content of power transformer insulating oil is generally taken as 35 ppm. 20 ppm. 25 ppm. 45 ppm. 35 ppm. 20 ppm. 25 ppm. 45 ppm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is an advisable to use auto transformer if the transformation ratio is near to 1. Greater than 1. 0.5. 0.25. near to 1. Greater than 1. 0.5. 0.25. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Series field consists of--------number of turns and ---------- conductors respectively less and thick large and thick large and thin less and thin less and thick large and thick large and thin less and thin ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the emf generated by the armature is maximum when rate of change of flux is minimum. shaft rotation is high. induced voltage is high. rate of change of flux is maximum. rate of change of flux is minimum. shaft rotation is high. induced voltage is high. rate of change of flux is maximum. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On switching a DC motor to DC supply mains, it is found to rotate in the direction opposite to that for which it is designed. The DC motor is Series shunt. Cummulative compound. Differentical compound. have an equal number of electrons and protons. Series shunt. Cummulative compound. Differentical compound. have an equal number of electrons and protons. ANSWER DOWNLOAD EXAMIANS APP