what is the contact resistance of Air circuit breaker??

1 Answers  

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In an alternator running with a balanced zero p.f. lagging load, phase differernc between the resultant armature flux and main field flux is always____? options is 180 degree....why?? explain.

1 Answers   BREB,

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what r the checklist while installing 500 kva transformer

0 Answers   Pepsi,

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Why dc supply is used for closing and tripping coil of ht breakers. What happen if we use only ups ac supply only.

12 Answers   ACC, JLL, ZETDC,

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what is effect of leading power facter on the system and billing

0 Answers   TATA,

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what is deferens between HT&LT DG

2 Answers  

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hai...... tis is Hemanth. jst now completed electrical engineering... i wanna to apper for ap tranco exam... plzz send me the previous q's paper link......thanx in advance.

0 Answers  

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How i can select current transformer and meters for the upgrading the panal..for 200kw to 600kw....i need to select monitoring and protection ct,s and apmpire meter ,kw meter too.

1 Answers  

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What are the consequences in using existing step up transformer (primary 6.6kv/175A, secondary 480v/2405A) for step down transformer to have a 6.6kv output?

1 Answers  

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what is the purpose of silicon dropper used in battery charger?

0 Answers   KNPC,

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what does kirlosker deals with?

3 Answers  

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* Signal transmission in sky wave propagation is due to ? a) Reforction of wave b) Reflection of wave c) Pierus through Inosphere d) None and Reason for this is????

2 Answers  

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