Electrical Machines Commutator in DC generator is used for convert AC armature current in to DC collecting of current increase efficiency reduce losses convert AC armature current in to DC collecting of current increase efficiency reduce losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking can be used for series motors. shunt motors. compound motors. All of these series motors. shunt motors. compound motors. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature of DC machine is made of silicon steel. non-ferrous material. conducting material. insulating material. silicon steel. non-ferrous material. conducting material. insulating material. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines From no load to full load the slip will slightly decrease. not change. None of these slightly increase. slightly decrease. not change. None of these slightly increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If Ke is eddy current constant, Kf is form factor, f is supply frequency, Bm maximum flux density in core of transformer, the expression of eddy current loss in transformer, is given by KefKf2Bm2. Kef2Kf2Bm2. Kef2KfBm2. Kef2Kf2Bm. KefKf2Bm2. Kef2Kf2Bm2. Kef2KfBm2. Kef2Kf2Bm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In double cage induction motor, the inner cage offers low resistance and low reactance. high resistance and high reactance. high resistance and low reactance. low resistance and high reactance. low resistance and low reactance. high resistance and high reactance. high resistance and low reactance. low resistance and high reactance. ANSWER DOWNLOAD EXAMIANS APP
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