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)

out of all machines which have highest efficiency and why?

2 Answers  

what is meant by generator differencial protection?

1 Answers  

State any two nuclear power stations in India, with their generating capacity.

0 Answers  

Why should we hire you over the others waiting to be interview?

0 Answers  

What is the earth treantment procedure?

0 Answers  

why we use single core 630mm2 cable for transformer secondary side

0 Answers  

The earth pin of some three pin plugs are seen split. why?

1 Answers  

What is the purpose of Vector Group in transformer?

1 Answers   Andritz, ThyssenKrupp,

For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?

0 Answers   GEPL,

how much current take 16sq mm Cable

2 Answers  

what will happen if the field and armature both are made to rotate in a synchronous machine ?

4 Answers  

Which thing is maximum in RLC circuit at resonance a)power consumption b)inductive current c)capacitive voltage

0 Answers