Electrical Machines The armature of a DC motor is laminated to reduce copper loss. eddy current loss. hysteresis loss. friction and windage loss. copper loss. eddy current loss. hysteresis loss. friction and windage loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the pitch factor? Cos (α/2) sin (α/2) Cos α² Cos α Cos (α/2) sin (α/2) Cos α² Cos α ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation of the synchronous generator fails, it acts as a/an induction generator. synchronous generator. induction motor. synchronous motor. induction generator. synchronous generator. induction motor. synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors are preferred in lifts? DC shunt motors. None of these DC series motors. DC compound motors. DC shunt motors. None of these DC series motors. DC compound motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 20KVA auto transformer, turn ratio is 0.8. Find the power transferred conductively? 4KVA 20KVA 0KVA 16KVA 4KVA 20KVA 0KVA 16KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the above problem, find the induced voltage of an alternator of it is to deliver a load of 100 A at power factor of 0.8 lagging with terminal voltage of 200 V. 222 V. 225 V. 230 V. 220 V. 222 V. 225 V. 230 V. 220 V. ANSWER DOWNLOAD EXAMIANS APP
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