Electrical Machines In DC generators, the residual magnetism is of the order of 15 %. 20 %. 2.5 %. 10 %. 15 %. 20 %. 2.5 %. 10 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frame of an induction motor is made of closed grained cast iron. aluminium. stainless steel. silicon steel. closed grained cast iron. aluminium. stainless steel. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 3rd harmonics are eliminated in induction motor by using star connection. zig - zag connection. V connection. delta connection. star connection. zig - zag connection. V connection. delta connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 12 pole triplex lap wound DC armature, each conductor can carry current of 100 A. The rated current of this armature is 1200 A. 600 A. 2400 A. 3600 A. 1200 A. 600 A. 2400 A. 3600 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Open circuit test on transformer gives eddy current loss copper loss hysteresis loss both 1and 2 eddy current loss copper loss hysteresis loss both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, alternator has generated emf per phase of 230 V with 10% 3rd harmonic and 6% 5th harmonic content. Calculate rms line voltage for star connection. 100 V. 230.2 V. 399 V. 50 V. 100 V. 230.2 V. 399 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP