Electrical Machines Which of the following voltage regulation method is accurate ? MMf method American standard association method Synchronous impedance method ZPF method MMf method American standard association method Synchronous impedance method ZPF method ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In speed control of DC shunt motor by varying field flux, what may be the value of field regulator? 2 ohm. 10 ohm 100 ohm 0.2 ohm 2 ohm. 10 ohm 100 ohm 0.2 ohm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stray losses in transformer occurs in paper insulation in transformers. steel core. winding conductors and steel structures of transformer. transformer insulating oil. paper insulation in transformers. steel core. winding conductors and steel structures of transformer. transformer insulating oil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor of a three phase induction motor has an impedance of 0.4 + j4 ohm per phase at standstill the maximum torque occurs at a slip of _____________. 15 %. 10 %. 25 %. 50 %. 15 %. 10 %. 25 %. 50 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In alternator, the rotary part is magnetic field poles. none of these. core. armature. magnetic field poles. none of these. core. armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An auto transformer having a transformation ratio of 0.8 supplies a load pf 10 KW. The power transfered inductively from the primary to secondary is 0. 10 KW. 8 KW. 2 KW. 0. 10 KW. 8 KW. 2 KW. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS