what is difference between IS 1018 and IS 2062 E 250A
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What is tack welding ?
Define what are the compositions of brass, how can this metal be heat-treated, define what is the melting point of this metal?
When using mercury to recover very, fine gold from ore, what is the best way to separate the gold laden mercury from the ore?
what are the causes of scaling in cast iron, after subjecting it to annealing process.
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?
Define what are ceramics?
what is difference between IS 1018 and IS 2062 E 250A
Which liquid can dissolve gold?
The moment of inertia of an area is always least with respect to ?
When a spring is cut into two, stiffness becomes ?
Explain heat treatment of brass?
A cantilever beam carrying uniformly distributed load will be ?