Electrical Machines Commutator in DC generator is used for reduce losses increase efficiency convert AC armature current in to DC collecting of current reduce losses increase efficiency convert AC armature current in to DC collecting of current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which slots are used in the rotor of an induction motor? None of above. Open slots. Closed slots. Semi closed slots. None of above. Open slots. Closed slots. Semi closed slots. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC generators has rising V-I characteristics? Compound. Series. None of them. Shunt. Compound. Series. None of them. Shunt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the shunt resistance component equivalent circuit obtained by no load test of an induction motor representative of ? Copper loss both 1 and 2 core loss only windage and friction loss Copper loss both 1 and 2 core loss only windage and friction loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature resistance control method is used for the _______ ? above rated speed below rated speed None of these both 1 and 2 above rated speed below rated speed None of these both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors is/are widely used? either of these slip ring induction motor squirrel cage induction motor None of these either of these slip ring induction motor squirrel cage induction motor None of these ANSWER DOWNLOAD EXAMIANS APP
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