As i want some model question paper in basic computer science and history please send me immediately sir

0 Answers   TNPSC Tamil Nadu Public Service Commission,

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Why current shoots up in the secondary on the knee point voltage during saturation test of CT? How core saturation effects the secondary current (while the primary side is open)? What the logic behind this?

0 Answers  

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1. When do you use a VFD motor? 2. If the ceiling fan is on slow speed, does it consume less electricity? 3. If we want the fan to consume less electricity at low speed, what do we have to do? 4. What does “battery of 180 AMP HOUR” mean to you? 5. What does “battery of 180 AMP HOUR” mean to you? 6. If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

6 Answers   Asian Power, Bhel, Focus, Focus Energy, L&T,

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what is difference between vcb and mccb

4 Answers   APTransco,

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Whether we used insulated line for 33KV supply. what we called it.

1 Answers  

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This is reqd for a 1MW Solar power plant..We have 2DC outputs from the solar panels Connected to 2INVERTOR panels.. Output from invertor is 3ph,280v,500kva,50hz.These are connected to individual ACB.This has to be stepped up to 11KV ,1250KVA SYSTEM.Now can I use (1) one more ACBTO GIVE A COMBINED OUTPUT OF 1000KVA,280V & STEP UP THE OUTPUT BY USING a single two winding 3 ph transformer 11kv/1250kva. or (2)use the two outputs and connect to one three winding transformer of above rating..Pls suggestwith details.

0 Answers  

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generator means

1 Answers  

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what is cogging and crawling

0 Answers   Suzlon,

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why we use post insulators in no ofstacks at substation for supporting equipment ? why we not use single post insulator

3 Answers  

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What is EHT tariff or Power factor Tariff ????

0 Answers   KSEB,

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Draw a SLD for main panel for school having connected load of 1200kw and emergency generator 200kw.also show the increase of additional load of chiller 225kw in the lv panel indicating meter postion size of transformer ,cables and capacitor bank.

0 Answers  

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what will happen if dc machine are supplied by ac source??

2 Answers  

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