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)

i need about 10 years of GATE solved papers in pdf format and even mock tests toooo

0 Answers  

Why Auto Transformer is called "Auto"? What is the logic?

1 Answers  

wd do u understand by stablity of ps?

2 Answers   IOCL,

how do u calculate CT rating for 10 mva transformer

2 Answers   Enercon,

sir pls tell me . our ct specifications are 120/5 ,2 core , 0.2 and 5p10 class , 30va and 30va buden. insted of 30 va i want use 15 va. can i use?

0 Answers  

Which type of transformer used in lighting load?

2 Answers   IMFA,

What is UPS?

14 Answers   HSL,

Relative synchronous generator

1 Answers  

how Local Breaker Backup relay working?

1 Answers  

Can the Neutral and Body Earthpits of a transformer conncted together by Earth strips under ground.

4 Answers   SanDisk,

I have a CT meter with ratio 60/5. The meter reading of previous month was 3290.49 and that of current month was 3797.26. How many chargeable units as per normal meter should be my reading.

0 Answers  

Why transformer ratings in KVA not in KW?

6 Answers   ABB,