Metallurgy Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Metallurgy Interview Questions

Questions Answers Views Company eMail

why magnetite iron ore is not taken into the blast furnace?

2 5943

The requirement for ASTM A217 Gr. WC9 castings for valves components like Body and Bonnet were Normalising at 920+/- 20 Deg. C and Tempring 780+/- 20 Deg. C The specification calls furnace shall be calibtated within +/-14 deg. C The Heat Chart shows minimum temperature for normalising 900 to 920 Deg. C, but maximum temperature 960-990 Deg. C Tempering 780+/-20 Deg. C is within limits and accepted. Casting having integral test bars, heat trated along with castings passed in chemical znalysis and mechanical properties. Since normalising maximum temperature is not meeting specification, where castings can be salvaged or renormalised and retempered to meet specification. Whether it will have affect on remechanical properties testing

Leader Valves,

2298

difference between sand casting and shell casting

1791

What is the material of E185

DE,

1749

On which basis annealing cycle of steel bars of UpTo 6 MTR can be decided.we r charging 40-45 metric ton load for annealing in bogie furnace?

1489

Discuss about advatages and limitations of powder metallurgy.

John Deere,

1054

What is select miller cutter?

Essar,

1147

What is hot working of metals? Give some of its principal methods.

Essar,

1053

What is the usgae of angle plate ?

Essar,

1124

Define grinding.

Essar,

1141

What Is cold working of metals? Give some of its principal methods.

Essar,

1148

What is calibration of an instrument?

Essar,

1193

Define knurling.

Essar,

1202

What is a master gauge ?

Essar,

1180

What is round-robin scheduling in OS?

Essar,

1143

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Un-Answered Questions { Metallurgy }

Define what is the melting point of e70 steel, 304,308,316 stainless steels? In addition, define what is the hottest part of the flame in a fire?

1110

Define what is widman statten structure?

997

You are required to calculate a heat affected zone in weld. How would you do that?

1021

When using mercury to recover very, fine gold from ore, define what is the best way to separate the gold laden mercury from the ore?

1033

what is the strongest metal?

1044

How would a salt and water solution clean a penny but a vinegar and salt solution will not clean a penny? What is the cause of this?

1103

What is the function of washer?

1053

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)

2394

what is No.1 Laathing Scrap Bundle ( Mill Scrap )

2225

What are the allotropes of iron and carbon?

1064

What is power metallurgy?

1093

Which metal is the best conductor of heat?

1048

What is the specific heat value for liquid ?

1095

How to calculate heat affected zone in weld?

1163

what is the hardness of ohns before heat treatment process and hardness of en series before heat treatment process

989

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