Electrical Machines In DC generators, electric current to the external circuit from armature is given through none of above. solid connection. commutator. slip rings. none of above. solid connection. commutator. slip rings. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC compound motor can be reversed by interchanging series field connections. shunt field connections. armature or field connections. armature connections. series field connections. shunt field connections. armature or field connections. armature connections. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output indicate on the name plate of any motor is always the Power drawn in KVA. Output power at the shaft. Power drawn in KW. Gross power. Power drawn in KVA. Output power at the shaft. Power drawn in KW. Gross power. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under operating conditions the rotor conductor should be _________________ in induction motor. always closed. none. always opened. semi closed or semi opened. always closed. none. always opened. semi closed or semi opened. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Demagnetization effects which of the following? commutation reduction in main field flux both B and C reduces the terminal voltage commutation reduction in main field flux both B and C reduces the terminal voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When maximum starting torque is obtained, rotor power is ANSWER DOWNLOAD EXAMIANS APP
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