Answer / udaya17

seemless tubes are made by stainless steel composites

Answer / murali

made by extrusion of steel billets

Answer / ferozh

they are made by piercing the steel tube and rolling simultaneously, in order to get the hollow tube. they are also produced by cold extrusion techniques.

Answer / souren roy

piercing...

Answer / vijay kumar

Seam less tube are made by piercing and also (extrusion-if long pipe and high pressure required)

why there is a phase difference between line voltage & phase voltage ?

4 Answers  

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what is the meaning of impedance protected in instrument cooling fan

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Total power capacity of india at present

8 Answers   Bhel,

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can we synchronize star system generators with delta system transmission line ? and how ?

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What is relation between transmission lines & Communication lines ?

0 Answers   NTPC,

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how will be power factor while using the resistive load and Capacitive load?

3 Answers  

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what is the responsibility of C license holder in industry?

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tell me exact relation b/n voltage and current and which one is depend other

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in a refinery one motor is suddenly stoped. what will do how can i findout the problem explain step by step

2 Answers  

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I have a transformer 3phase 11kv/410v and its name plate missing. now how can I judge its rated kva?

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Sir, I have applied for the of Jr.engineer(Electrical & Electronics) & ASST. LOCO PILOT at ALL RRB BOARDS. please send me all RRB Boards solved papers in the year of 2001 tO till date. i requested send me the papers to my id as soon as possible (jet_0991@yahoo.com). (This is very urgent) Thank You,

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my self i am raghu working as tech.. in my college the maximum demand is 211 kva presently we are using 12kva capacitors the target power factor is .95 so what capacity of capacitor banks should i install

2 Answers  

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