Electrical Machines In a three phase slip-ring induction motor, brushes are connected to equalizing coils. external star-connected resistors. 3 - Φ AC supply. DC supply. equalizing coils. external star-connected resistors. 3 - Φ AC supply. DC supply. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the methods to reduce the armature reaction and its effects? All of these pole stacking compensating winding pole chamfering All of these pole stacking compensating winding pole chamfering ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the function of inter pole in DC generator? To get a superior commutation. Both option B and C. To serve the economical aspects. To neutralize the distortion of main field flux due to armature reaction. To get a superior commutation. Both option B and C. To serve the economical aspects. To neutralize the distortion of main field flux due to armature reaction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 10 kW, 230 V, dc shunt machine has four terminals brought out through four leads. For this machine both the windings have thin leads armature winding has thin leads whereas field winding has thick leads armature winding has thick leads whereas field winding has thin leads both the windings have thick leads both the windings have thin leads armature winding has thin leads whereas field winding has thick leads armature winding has thick leads whereas field winding has thin leads both the windings have thick leads ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has the highest power factor at full load? Shaded pole Capacitor run Capacitor start Resistance split phase Shaded pole Capacitor run Capacitor start Resistance split phase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If Pi and Pc represent core and full load copper loss respectively, the maximum KVA delivered to load corresponding to maximum efficiency is equal to rated KVA is √(Pi/Pc) Pc/Pi (Pi/Pc)2 Pi/Pc √(Pi/Pc) Pc/Pi (Pi/Pc)2 Pi/Pc ANSWER DOWNLOAD EXAMIANS APP
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