Electrical Machines In applied voltage is reduced in a dc shunt motor Full load torque. Full load current. Full load speed. None of these. Full load torque. Full load current. Full load speed. None of these. 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 system lost residual magnetism there was a break in the armature circuit field resistance was higher than critical resistance field winding was wrongly connected field system lost residual magnetism there was a break in the armature circuit field resistance was higher than critical resistance field winding was wrongly connected ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc motors, under leading pole tips flux density will--------? either increase or decrease decrease increase None of these either increase or decrease decrease increase None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a standard frequency the machine operates at a particular speed known as normal speed. slip speed. any of the above. synchronous speed. normal speed. slip speed. any of the above. synchronous speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following induction motor has the highest starting torque? None of these Same in both induction motors. Squirrel cage induction motor. Slip ring induction motor. None of these Same in both induction motors. Squirrel cage induction motor. Slip ring induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A three phase induction motor has a synchronous speed of 1500 rpm the machine runs at 1460 rpm at a particular load. The slip at this load is ___________. 2.67 %. 1.5 %. 30 %. 5 %. 2.67 %. 1.5 %. 30 %. 5 %. ANSWER DOWNLOAD EXAMIANS APP
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