Answer Posted / hardik

due to segrigation

Define what kind of cleaning substance or treatments keep or help prevent cast iron from rusting?

929

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What is the difference between plaster used in gold investment casting and ceramic used in the process of investment casting of automobile engine parts and turbineblades etc. When both are used in the lost-wax method?

921

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Explain heat treatment of brass?

892

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what is wedge load test method . what is offset method .

1748

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Where is iron ferite used?

902

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Does case harden steel properties detoriates over time? Especially for guns, parts like bolt carrier, the brand new parts has been kept for 10 year and properly oiled. I am worried about its surface hardness to take the blow during firing.

1319

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what is the strongest metal?

928

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A plain carbon steel contains 45 wt% of proeutectoid ferrite. What is its average carbon content in weight percent? I know that you need to use a tie line in the phasediagram, but my book does not really give a good example to go by?

1092

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Discuss advantage of different types of screw.

937

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For the same part, it is possible to Specify the two different type of Hardness with same scall(EX-Quenching and tempering==>450 to 500HV30 & Hardening and Austempering 330- 380HV30)

2270

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How do 304 stainless steel and 316 stainless steel weld to each other? I am hoping my medical device prospect will be able to weld a component made in 316 ss via metal injection molding toa 304 ss tube.

940

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what are metallurgical microscopes?

962

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How can you find out what kind of stainless steel was used in making a stainless object?

916

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For define what reason would an aluminum casting, when applied with a powder coated paint finish, cause a poor finish to the paintwork.

892

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Which liquid would oyu use to dissolve gold?

926

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