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)

WHAT IS NORMAL VECTOR GROUP USED FOR DESIGNING OF TRANSFORMERS??

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IN TWO WATTMETER METHOD WE GOT W1,W2,WE KNOW V.HOW TO FIND Q????????????

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what is meant by line voltage and phase voltage in a three phase transformer?

2 Answers  

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In dc ckt. 24v or 110v, which one is more efficient and why?

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A d.c. Shunt motor is found suitable to drive fans because they require?

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What is MPCB, MCCB, ELCB, RCCB ? Explain them ?

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List the materials required for Pipe Earthing.

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why America use 60HZ 110V?

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how to select the cables based on amps ratings ? how to calculate the amps and how to select the cable size

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in ceiling fan and table fan what is the rotating part and what is the stationary part?

5 Answers  

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Does the electricity supply authority send its customers power (kW) or voltape (V)? Asked by Ivan Muliro

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We are planning to synchronized DG's with our captive plant in the event of black start of plant, but before sync we checked voltage of DG with our plant voltage and it varies from 5 V to 450 V. So in this condition how we can sync DG with plant ?

0 Answers  

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