Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. What is the slip value? 0.02 0.2 0.04 0.4 0.02 0.2 0.04 0.4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator V curve is drawn between field current on X-axis and armature current on Y-axis. field current on X-axis and power factor on Y-axis. either of these. field current on Y-axis and armature current on X-axis. field current on X-axis and armature current on Y-axis. field current on X-axis and power factor on Y-axis. either of these. field current on Y-axis and armature current on X-axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the field-flux axis and armature-mmf axis are respectively along direct axis and interpolar axis quadrature axis and direct axis quadrature axis and interpolar axis direct axis and indirect axis direct axis and interpolar axis quadrature axis and direct axis quadrature axis and interpolar axis direct axis and indirect axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, the angle between the stator and rotor fields is dependent upon the load. 0o. 90o. 180o. dependent upon the load. 0o. 90o. 180o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of tappings for each equalizer ring is equal to number of parallel paths. number of pole pairs. number of poles. number of commutator segments. number of parallel paths. number of pole pairs. number of poles. number of commutator segments. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The functions of inter poles are both 1 and 2 None of these nullify reactance voltage and improve the commutation. reduce cross magnetization effect and improve commutation both 1 and 2 None of these nullify reactance voltage and improve the commutation. reduce cross magnetization effect and improve commutation ANSWER DOWNLOAD EXAMIANS APP
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