Electrical Machines A 4-pole dc generator runs at 1500 rpm. The frequencyof current in the armature winding is 50 Hz 25 Hz 0 Hz 100 Hz 50 Hz 25 Hz 0 Hz 100 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generators work on the principle of production of statically induced emf. dynamically and statically induced emf. dynamically induced emf. None of these statically induced emf. dynamically and statically induced emf. dynamically induced emf. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the armature electric current is increased to double its previous value, and the time of commutation is halved, how will the reactance voltage vary? It will remain the same. It will becomes four times. It will be doubled. It will be halved. It will remain the same. It will becomes four times. It will be doubled. It will be halved. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wound rotor type IM is used for____________ speed operation. maximum. variable. constant. minimum. maximum. variable. constant. minimum. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a part of transformer? Radiator. Conservator tank. Tap changer. Commutator. Radiator. Conservator tank. Tap changer. Commutator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformers operating in parallel will share the load depending upon their percentage impedance. leakage reactance. efficiency. rating. percentage impedance. leakage reactance. efficiency. rating. ANSWER DOWNLOAD EXAMIANS APP
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