Electrical Machines Which one of the following statement is correct ? In an induction motor if the air gap is increased then its speed will increase its speed will reduce its efficiency will improve its power factor will reduce its speed will increase its speed will reduce its efficiency will improve its power factor will reduce ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors has low ratings only? Shaded pole Resistance split phase Capacitor start Capacitor run Shaded pole Resistance split phase Capacitor start Capacitor run ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase transformer has specifications as 250 KVA, 11000 V/415 V, 50 Hz. What are the values of primary and secondary currents? primary = 11.4 A, secondary = 301 A primary = 602 A, secondary = 22.7 A primary = 22.7 A, secondary = 602.4 A primary = 301 A, secondary = 22.7 A primary = 11.4 A, secondary = 301 A primary = 602 A, secondary = 22.7 A primary = 22.7 A, secondary = 602.4 A primary = 301 A, secondary = 22.7 A ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - φ induction motor can also be referred to as a shunt motor. transformer. repulsion motor. asynchronous motor. shunt motor. transformer. repulsion motor. asynchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is expensive for same Kw output rates? Synchronous motor. DC Shunt Motor Induction motor. AC single phase motor. Synchronous motor. DC Shunt Motor Induction motor. AC single phase motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What does happen if tripled harmonics given to induction motor? Will results in open circuit. Fail to start. Will results in short circuit. Nothing will happen. Will results in open circuit. Fail to start. Will results in short circuit. Nothing will happen. ANSWER DOWNLOAD EXAMIANS APP
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