Electrical Machines Which of following components of a DC generator plays vital role for providing direct electric current of a DC generator? Eye bolt. Equalizer rings. Dummy coils. Commutator. Eye bolt. Equalizer rings. Dummy coils. Commutator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding is placed in the All of these armature core main field pole shoe All of these armature core main field pole shoe ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors has low ratings only? Resistance split phase Capacitor start Shaded pole Capacitor run Resistance split phase Capacitor start Shaded pole Capacitor run ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ IM with line frequency f1 and winding factor kw1 and kw2 for stator and rotor respectively the ratio of per phase stator winding emf E1 to per phase rotor winding emf E2 at standstill is given by E1 / E2 = N1kw1 / N2kw2. E1 / E2 = f1kw1 / f2kw2. E1 / E2 = 1. E1 / E2 = N1 / N2. E1 / E2 = N1kw1 / N2kw2. E1 / E2 = f1kw1 / f2kw2. E1 / E2 = 1. E1 / E2 = N1 / N2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. What is the slip value? 0.02 0.4 0.04 0.2 0.02 0.4 0.04 0.2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the shunt resistance component equivalent circuit obtained by no load test of an induction motor representative of ? both 1 and 2 Copper loss core loss only windage and friction loss both 1 and 2 Copper loss core loss only windage and friction loss ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS