What is the air fuel ratio for idling speed in S.I engines?

0 Answers   NIC,

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Upto what negative temperature below zero degree we can use IS 2062 Structural material?

2 Answers  

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What are ceramics?

0 Answers  

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Explain stress corrosion cracking?

0 Answers  

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Define what medal conducts heat best?

0 Answers  

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Does the extrusion process for a355 and a356 alloy have any impact on the impact energy?

0 Answers  

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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

0 Answers   Leader Valves,

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Can you explain the refrigeration cycle?

0 Answers   Essar,

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HOW ARC PRODUCE IN ELECTRIC ARC FURNACE

3 Answers  

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What is residual stress?

0 Answers  

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How much gold concentration should be in the organic phase (dbc) before reduction by oxalic acid solution? Is it effective on purity of gold in reduction step? Whatis the ratio of dbc to oxalic acid solution in this step?

0 Answers  

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On what Purpose helical gears are used?

0 Answers   NIC,

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