We make aluminum moulds by press casting, can you suggest any thing so that the moulds should shine after casting?
520How is solution annealing carried out? What type of furnace is required? Does one need to be heat in a salt bath?
501What 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?
531When using mercury to recover very, fine gold from ore, what is the best way to separate the gold laden mercury from the ore?
514What affect would increasing the charpy impact toughness on an object have on the surface of an object it strikes if all else remains the same? Would it cause moredamage to the object it strikes?
513What are the compositions of brass, how can this metal be heat-treated, what is the melting point of this metal?
522How much gold concentration should be in the organic phase (dbc) before reduction by oxalic acid solution?
598A 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?
726For what reason would an aluminum casting, when applied with a powder coated paint finish, cause a poor finish to the paintwork.
551When we do cardonitriding or casehardening operation for a plain carbon steel the case depth, hardness & microstructure are not alike why and what are the basicthing, which makes such a difference.
515How 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?
508
Any body know when the medicals are starting for the BSI P.O , if anybody got any call letter please let me know
How is solution annealing carried out? What type of furnace is required? Does one need to be heat in a salt bath?
Define what is the grain size of lead as an element and as an alloy such as lead tin alloy?
Discuss about advatages and limitations of powder metallurgy.
What is the most ductile metal?
Why is it so hard to find literature on the wear resistance of titanium?
What is iron ferrite, define what is it used for, and where is it found?
The hardness of steel depends on
What is the use of piezometer
How do you classify shapers?
Why same casting has different hardness and machine-ability properties?
Are the grain boundaries a continuation of regular lattice structure from one grain to another? Explain.
How to melt the solidified copper accretions in copper scrap melting furnace?
How does and why the recrystallization temperature of the metals affects on alloying?
When we do cardonitriding or casehardening operation for a plain carbon steel the case depth, hardness & microstructure are not alike why and define what are the basic thing, which makes such a difference.
