Electrical Machines In DC generators, electric current to the external circuit from armature is given through solid connection. none of above. commutator. slip rings. solid connection. none of above. commutator. slip rings. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The size of inter poles is small as compared to main poles. What is the reason? In order to get more flux. All of these In order to not to get saturated. In order to get saturated. In order to get more flux. All of these In order to not to get saturated. In order to get saturated. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which slots are used in the rotor of an induction motor? None of above. Closed slots. Semi closed slots. Open slots. None of above. Closed slots. Semi closed slots. Open slots. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor, damper windings are provided on pole faces. None of these rotor shaft. stator frame. pole faces. None of these rotor shaft. stator frame. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two transformers with identical rating, are designed with flux densities of 1.2 and 1.4 Wb / m2 respectively. The weight of first transformer per kVA is more than that of second transformer. less than that of second transformer. none of these. equal to that of second transformer. more than that of second transformer. less than that of second transformer. none of these. equal to that of second transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the full load speed of 3-phase, 50Hz induction motor is 950 rpm, what is its half load speed nearly equals to? 1000 rpm 950 rpm 940 rpm 975 rpm 1000 rpm 950 rpm 940 rpm 975 rpm ANSWER DOWNLOAD EXAMIANS APP
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