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Latest Electrical Motors Questions and Answers

S Bharadwaj Reddy
How do the new IE efficiency classes compare with the old EFF efficiency classes? The new IS: 12615-2011 defines the following efficiency classes of low-voltage three phase asynchronous motors in...

Electrical Machines Questions and Answers

S Bharadwaj Reddy
Lap winding is suitable for high current and low voltage generators while wave winding is suitable for high voltage and low current generators. >Lap winding is suitable for high current...

Single Phase Induction Motors Questions and Answers

S Bharadwaj Reddy
Please Name some Single-phase induction motors? (i) split-phase type (ii) capacitor type (iii) shaded-pole type Please name two types of Repulsion motors? (i) Repulsion-start induction-run motor (ii) Repulsion-induction motor What...

Electrical Motors Interview Question And Answers

S Bharadwaj Reddy
What are causes of hot bearings? The causes are lack of oil belt too tight armature not centred with respect of pole pieces bearings too tight or not in line...

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