Electrical Machines The speed regulation of a DC motor is given as NnL/NfL. (NnL − NfL)/NfL. NnL − NfL. (NfL − NnL)/NnL. NnL/NfL. (NnL − NfL)/NfL. NnL − NfL. (NfL − NnL)/NnL. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, electric current to the external circuit from armature is given through none of above. slip rings. commutator. solid connection. none of above. slip rings. commutator. solid connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the actual arrangement of series wound generator? Armature and field both are connected. Armature winding is in series with load. Armature and field both are parallel. Armature and field both are in series with the load. Armature and field both are connected. Armature winding is in series with load. Armature and field both are parallel. Armature and field both are in series with the load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the temperature of armature resistance is increased, the speed of a series motor would None of above. decrease. increase. not change. None of above. decrease. increase. not change. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of 90o. 0o. Greater than 90o. less than 90o. 90o. 0o. Greater than 90o. less than 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor is more than normal without wastage of electrical energy _____________ is used. Ward Leonard control. Any of above method. None of above. Rheostatic control. Ward Leonard control. Any of above method. None of above. Rheostatic control. ANSWER DOWNLOAD EXAMIANS APP
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