Electrical Machines If the applied voltage to a dc machine is 230 V, then the back emf, for maximum power developed, is 200 V 460 V 115 V 230 V 200 V 460 V 115 V 230 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors is/are widely used? slip ring induction motor squirrel cage induction motor either of these None of these slip ring induction motor squirrel cage induction motor either of these None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Example of double excited machine is None of these Both are correct. Synchronous motor. DC Shunt Motor None of these Both are correct. Synchronous motor. DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole dc generator runs at 1500 rpm. The frequencyof current in the armature winding is 25 Hz 100 Hz 0 Hz 50 Hz 25 Hz 100 Hz 0 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the maximum power factor of an induction motor for dispersion coefficient of 0.05? 1.1. 0.905. 0.05. 20. 1.1. 0.905. 0.05. 20. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the brushes remain in contact with conductors which lie under north pole. lie in the inter polar gaps. lie under south pole. there is no hard and fast rule for this. lie under north pole. lie in the inter polar gaps. lie under south pole. there is no hard and fast rule for this. ANSWER DOWNLOAD EXAMIANS APP
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