Are all metals heavy? Explain.
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Define what is the grain size of lead as an element and as an alloy such as lead tin alloy?
What is the use of gap(snap)gauge
Upto what negative temperature below zero degree we can use IS 2062 Structural material?
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 is the use of damper?
Discuss steam engines. What is its overall efficiency ?
what is the difference between stainless steel and alloy steel?
Will aluminum alloy like 380 or 356 settle? Meaning while in “liquid form” above melting point will the heavier elements like copper, fe, silicon, zinc etc. Settle to the bottom of the liquid/molten aluminum after a period.
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?
what are the ores of copper?
Which liquid would oyu use to dissolve gold?
white rust formation over zinc plated and passivated fasteners during CED coating. WHY?
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