Answer / karthick

this is one type of welding which generates heat due to
contact resistance when electric current is passed
across.types of resistance welding
spot,projection,percussion,seam etc

Answer / deepak

a welding technique in which the parts to be joined are held
together under pressure and heat is produced by passing a
current through the contact resistance formed between the
two surfaces

Answer / vinod.n

A welding technique in which the parts to be joined are held
together under pressure and heat is produced by passing a
current through the contact resistance formed between the
two surfaces.

Answer / krunal ray

fusion or coalsence is produced by two tungsten eletrods
with resistsnceis cslled resistsnce welding

Why is the suction pipe of vapor compression and refrigeration system insulated?

0 Answers  

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What will be expected the cut-off of J.E Mechanical exam of RRB on 19/12/2010 ?

0 Answers  

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When flow is supersonic then the converging and diverging passage is respectively known as??????

4 Answers   BPCL Bharat Petroleum, HPCL, Reliance,

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what is latent heat?

5 Answers  

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How do you detect starting valve leaks?

0 Answers   RRB,

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i have completed BE mech in 2009. i have not tried for job for 1 year.so wat should i tell the interviwer wen he ask wat i did for one year(wen i did nothing for one year)

2 Answers  

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thermal engg

0 Answers   NTPC,

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Hi, How I can calculate mass flow rate for an axial fan with diameter "400mm" and speed 1500RPM? thx

1 Answers   Bharat Gears,

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where multistage pump used

2 Answers  

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sir/ madam i m apearing to rrb bhubaneswar for entrans exam please i want a help to get thruogh this

0 Answers   RRB,

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in a pump, impeller wear ring is harder or casing ring? why?

0 Answers   Mold Tek,

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Which are the reference fuels for knock rating of s.i. Engines ?

0 Answers  

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