Answer Posted / shyamuchary

we have 3 types
1.manual
2..auto.3.semi manual

What is the Surge suppresor? Why using in a UDB's and How it works?

2162

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what is meant by IGBT how they differ from tyristor ?

2397

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can anybody send me syllabus of rrb section engg (electrical). and also send previous question pepar...

1948

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exolain the star delta connection

2641

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WHY NUTRAL GROUND SYSTEM USED IN 33KV SYSTEM

2179

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Differentiate between digital phase converter and ordinary phase converter.

1195

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Please clarify, 1. Is it required to lay two runs of GI wire along with Armoured LT cable if it is laid between one big mains (63Amps TPN SDF) to small main (32A TPN SDF) with proper glanding termination? 2. If the armoured cable with proper glanding is laid from DB to CNC machine, is it required to run two runs of body earthing to the Machine from DB? 3.If the armoured cable with proper glanding is laid from Substation to Hangar, distance is approx. 100 mtrs, is it required to do earthing at shop area though the primary termination at substation is earthed through gland.

2003

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what is the difference between dry and wet type of 132kV terminations. which one is durable

1956

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What are the reasons for the parallel operation of transformers?

1088

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what is meaning of bus riser

2490

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Explain the fundamental difference between emf (electro motive force) and pd (potential difference) ?

1105

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why power factor is important?

10165

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what about electrical pannel.? What is meant by plc pannel.?

2246

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How do we calculate the resistance per metre of single core aluminium stranded cable 19*3.25mm sheathed in pvc,at 15 deg C temperature?

2361

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1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks

2429

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