Electrical Machines Which of the following voltage regulation method is accurate ? ZPF method American standard association method Synchronous impedance method MMf method ZPF method American standard association method Synchronous impedance method MMf method ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable moisture content of power transformer insulating oil is generally taken as 20 ppm. 35 ppm. 25 ppm. 45 ppm. 20 ppm. 35 ppm. 25 ppm. 45 ppm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In field flux method speed control of DC Motor is constant torque drive above the base speed. constant hp drive below the base speed. constant power drive above base speed. constant torque drive below the base speed. constant torque drive above the base speed. constant hp drive below the base speed. constant power drive above base speed. constant torque drive below the base speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, electric current to the external circuit from armature is given through none of above. commutator. solid connection. slip rings. none of above. commutator. solid connection. slip rings. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature shaft must be able to withstand bending moment due to weight of the armature. All of these any unbalanced magnetic pull on the armature core. twisting strains due to transmission of torque. bending moment due to weight of the armature. All of these any unbalanced magnetic pull on the armature core. twisting strains due to transmission of torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating windings is placed in which part of a D.C motor? None of these On yoke in the inter pole gap. On yoke in the pole faces. On armature. None of these On yoke in the inter pole gap. On yoke in the pole faces. On armature. ANSWER DOWNLOAD EXAMIANS APP