Electrical Machines Which of the following are variable losses? armature copper loss shunt field copper loss eddy current loss hysteresis loss armature copper loss shunt field copper loss eddy current loss hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the speed of stator rotating magnetic field with respect to rotor rotating magnetic field? Synchronous speed None of these Slip speed Zero Synchronous speed None of these Slip speed Zero ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a loaded DC motor, if the brushes are given a shift from the interpolar axis in the direction of rotation, then the commutation will deteriorate and the speed falls. deteriorate and the speed rises. improve and the speed falls. improve and the speed rises. deteriorate and the speed falls. deteriorate and the speed rises. improve and the speed falls. improve and the speed rises. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor during DC rheostatic braking is 2 + s. s. 2 - s. 1 - s. 2 + s. s. 2 - s. 1 - s. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A short circuit test on a transformer gives copper loss at half load. copper loss at over load. copper loss at full load. copper loss at any load. copper loss at half load. copper loss at over load. copper loss at full load. copper loss at any load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of dielectric material is used in capacitors used for fans and for power factor correction? Glass. Oil impregnated paper. Mica. Vacuum. Glass. Oil impregnated paper. Mica. Vacuum. ANSWER DOWNLOAD EXAMIANS APP
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