Electrical Machines What is the highest possible speed of turbo alternators? 1000 rpm 1500 rpm 4000 rpm 3000 rpm 1000 rpm 1500 rpm 4000 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto-transformer, power is transferred through induction process only. both A and B. conduction process only. None of these induction process only. both A and B. conduction process only. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ induction motor none of them. power factor at starting is low as compared to that while running. power factor at starting is high as compared to that while running. power factor at starting in the same as that while running. none of them. power factor at starting is low as compared to that while running. power factor at starting is high as compared to that while running. power factor at starting in the same as that while running. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the emf generated by a 4 pole Lap connected DC Motor rotating at 1500 rpm having 1000 conductors and useful flux per pole is 0.4 mWb. 10 volts. 40 volts. 20 volts. 30 volts. 10 volts. 40 volts. 20 volts. 30 volts. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Sparkless commutation can be achieved by employing compensating winding. inter poles. high resistance carbon brushes. any one or more of the above methods. compensating winding. inter poles. high resistance carbon brushes. any one or more of the above methods. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor during DC rheostatic braking is 2 + s. 2 - s. 1 - s. s. 2 + s. 2 - s. 1 - s. s. ANSWER DOWNLOAD EXAMIANS APP
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