Electrical Machines Armature of DC machine is made of silicon steel. insulating material. conducting material. non-ferrous material. silicon steel. insulating material. conducting material. non-ferrous material. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating windings is placed in which part of a D.C motor? On armature. On yoke in the pole faces. On yoke in the inter pole gap. None of these On armature. On yoke in the pole faces. On yoke in the inter pole gap. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stability of a synchronous motor ---------- with the increase in excitation. increases remains unaffected decreases any of the above increases remains unaffected decreases any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direction of the current in the compensating winding is________ to the direction of current in the armature conductors? exactly opposite either of these same None of these exactly opposite either of these same None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 1 KVA, 230 V, 50 Hz, single phase transformer has an eddy current loss of 30 watts. The eddy current loss when the transformer is excited by a dc source of same voltage will be 30 W more than 30 W zero watt less than 30 W 30 W more than 30 W zero watt less than 30 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A Shunt generator running at 1000 rpm has generated emf of 100 V. If the speed increases to 1200 rpm, the generated emf will be nearly 140 V 240 V 175 V 120 V 140 V 240 V 175 V 120 V ANSWER DOWNLOAD EXAMIANS APP
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