Answer / Preeti Gupta

In resistance welding, the electrodes are typically made from copper or graphite. They conduct the electrical current that generates heat and causes the metals being joined to fuse together.

Explain super alloys. What makes them useful for land-based turbines?

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What happens to the microstructure during service exposure?

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Define grinding.

1 Answers   Essar,

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sir.I am OBC candidate,recieved scholarship/freeship during academic year 2011-2012,2012-2013(my yearly income was below 4.5 lakh).my yearly income during academic year 2013-2014 was above 4.5 lakh.should I get scholarship/freeship in academic year 2013-2014 ?

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What is dielectric medium in EDM ?

1 Answers   NIC,

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Define what is the different between ferrite percentage and ferrite number?

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Explain any method through which molds can shine after casting?

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Why is chromium molybdenum steels used to build pressure vessels?

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what is widman statten structure?

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How much gold is in a troy ounce?

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carbon-3.23%,manganese-0.60%,silicon-2.25%,sulphur-0.086% phosphorus-0.122%,chromium-0.04%,nickel-0.10%, molybdenum-trace. WHAT IS THE GRADE OF THIS CAST IORN.

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what is meant by hardening ability of metals?

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