Electrical Machines Induction motors have the advantage of all of below. less maintenance. less cost. simple in construction. all of below. less maintenance. less cost. simple in construction. 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 Pc/Pi √(Pi/Pc) Pi/Pc (Pi/Pc)2 Pc/Pi √(Pi/Pc) Pi/Pc (Pi/Pc)2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following DC Motor the ratio of starting torque to full load torque is minimum? Shunt motor. Differential compound motor. Series motor. Cumulative compound motor. Shunt motor. Differential compound motor. Series motor. Cumulative compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt generator, when commissioned after a major repair of the field system, failed to build Up voltage. It was because field winding was wrongly connected field resistance was higher than critical resistance there was a break in the armature circuit field system lost residual magnetism field winding was wrongly connected field resistance was higher than critical resistance there was a break in the armature circuit field system lost residual magnetism ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 6 pole, 50 Hz IM is running at a full load speed of 980 rpm. If it delivers an air gap power of 98000 Watt, calculate the rotor ohmic loss? 1800 Watt. 1960 Watt. 980 Watt. 1920 Watt. 1800 Watt. 1960 Watt. 980 Watt. 1920 Watt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machine armature windings are placed on rotor because of the necessity for commutation. generation of voltage. electromechanical energy conversion. development of torque. commutation. generation of voltage. electromechanical energy conversion. development of torque. ANSWER DOWNLOAD EXAMIANS APP
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