Electrical Machines The 3 - Φ induction motor with rotor circuit open will not run. make noise. run normally. get over heated. not run. make noise. run normally. get over heated. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Damper winding is used to suppress the hunting. increase the load current. decrease the load current. both 1 and 2. suppress the hunting. increase the load current. decrease the load current. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer operating at constant voltage if the input frequency increases, the core loss decrease. increase. None of these remains constant. decrease. increase. None of these remains constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following, voltage regulation may be zero or negative lagging power factor unity power factor All of these leading power factor lagging power factor unity power factor All of these leading power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole generator with 16 coil has a two layer lap winding. The pole pitch is 32. 16. 8. 4. 32. 16. 8. 4. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is power factor of a 3 - φ induction motor at no load? Low. Equal to 1. Same as full load. High. Low. Equal to 1. Same as full load. High. ANSWER DOWNLOAD EXAMIANS APP
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