how to distinguish between ac motor and dc motor without seeing name plate of it.only seeing its getup look

3 Answers   Nahar, Siemens,

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why voltage rating not mention at HPSV or HPMV lamps?

2 Answers   OPS,

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What is the differemce between Pulse transformer and Welding transformer.

1 Answers   BARC,

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for opening electrical shop, tips needed.

0 Answers  

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if a 3 point starter is not available, how can a dc motor be started?

3 Answers   Accenture, BIT, Techno Solutions,

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Define the term factor of inertia.

0 Answers  

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why transfromer rating gives in MVA Or KVA? Why not in MW or KW?

6 Answers   GIL, Siemens,

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what is the function of mccb?

6 Answers  

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how vector surge relay works ?

3 Answers   BFL,

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11. As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why? 12. How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test? 13. Why the transmission lines are in 11kV, 22kV, 33kv, and why not 10kV, 20kV, 30kV? 14. Why do we generate 3 Phase AC Supply? It is possible to generate 4 Phase and 5 Phase explain it? 15. Explain why the Voltage drop will happen in 3 Phase line? 16. What is the equipment used to control the generator output? 17. What are the factors to be considered during the Synchronization? 18. What should be value of Circuit breaker operating time and tripping time? 19. Why the CT Secondary is rated as 5A generally? 20. At which time Synchronous generator act as a Synchronous Condenser?

1 Answers  

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how to give earthing in ships?

1 Answers  

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can u tell me the promotion from oiller to enginer

0 Answers  

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