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 transformer do not rotate?

3 Answers  

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what is the formula for transformer oil?

1 Answers  

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What is vaccum currcuit breaker.define with cause and where be use it device?

0 Answers  

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A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N

0 Answers  

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What is hipot test procedure?

0 Answers   CCC,

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we are using three transformer 33000/430 vac for three separet block.all three transformer have three LT panel separetly. can be Interconnected all three panel through bus coupler. this is permissable or not by state electricity board.

4 Answers   Piramal Healthcare,

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What is differential relay? How it operates?

1 Answers  

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How is the Depth of Stator Slot being calculated for Synchronous Generator?

2 Answers  

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Can you tell me more about pu systems (per unit systems )calculation in large power systems? how to get the base for voltage and power in generator, transformator and transmission lines?

0 Answers  

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why generally transformer are in star to delta or delta to star used?

8 Answers   ABB,

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Why is it not possible to operate a star-delta transformer in parallel with delta-delta transformer?

1 Answers  

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how to define that what is resister ,capacitor& inductor.

1 Answers  

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