Electrical Machines Which machine is used for battery charging? Compounded DC generator. DC shunt generator. None of these. DC series generator. Compounded DC generator. DC shunt generator. None of these. DC series generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, full form of MNA is what? Magnetically no-load armature co-ordinate. Magnetic neutral armature co-ordinate. Magnetic no-load axis. Magnetic neutral axis. Magnetically no-load armature co-ordinate. Magnetic neutral armature co-ordinate. Magnetic no-load axis. Magnetic neutral axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following starter is sufficient to start the DC series motor ? All of these 4 point starter 2 point starter 3 point starter All of these 4 point starter 2 point starter 3 point starter ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the necessary conditions for voltage build up in self excited generator? Field winding resistance should be less than critical resistance. Poles should contain residual flux. All of these Field winding should be properly connected to armature winding. Field winding resistance should be less than critical resistance. Poles should contain residual flux. All of these Field winding should be properly connected to armature winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque is proportional to which of the following? None of these flux(φ) armature current(Ia) both A and B None of these flux(φ) armature current(Ia) both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is power factor of a 3 - φ induction motor at no load? High. Same as full load. Low. Equal to 1. High. Same as full load. Low. Equal to 1. ANSWER DOWNLOAD EXAMIANS APP
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