Electrical Machines Number of slip rings in 3-phase synchronous motor will be 1 2 3 or 4 0 1 2 3 or 4 0 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At what power factor, the voltage regulation of a transformer can be zero ? Leading power factor. Unity power factor. Lagging power factor. Zero power factor. Leading power factor. Unity power factor. Lagging power factor. Zero power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous motor takes place motor is under loaded. when supply voltage fluctuates. when load varies. when power factor is unity. motor is under loaded. when supply voltage fluctuates. when load varies. when power factor is unity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the brushes remain in contact with conductors which lie under north pole. lie in the inter polar gaps. there is no hard and fast rule for this. lie under south pole. lie under north pole. lie in the inter polar gaps. there is no hard and fast rule for this. lie under south pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pole pairs Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for lap-winding ? PZL/4Sa² PZL/ 4Sa PZL/4S PZL/4SP² PZL/4Sa² PZL/ 4Sa PZL/4S PZL/4SP² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Series generators are used in which of the following applications? All of these Air crafts. Used as boosters in dc distribution or transmission. Arc welding. All of these Air crafts. Used as boosters in dc distribution or transmission. Arc welding. ANSWER DOWNLOAD EXAMIANS APP
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