Which plaster is used in gold investment casting?
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What are ceramics?
Which liquid can dissolve gold?
How can you separate gold from mercury?
What is hot working of metals? Give some of its principal methods.
carbon-3.23%,manganese-0.60%,silicon-2.25%,sulphur-0.086%, phosphorus-0.122%,chromium-0.04%,nickel-0.10%,molybdenum- trace.
IS:1239 same code for MS ERW and Seamless pipes ?
What is iron ferrite?
Which is stronger, tungsten or titanium?
Discuss steam engines. What is its overall efficiency ?
Is there a possibility of inducing stress cracking in an insulated stainless road tanker vessel (20 tonne capacity) if the vessel is subject to rapid filling (10 tonne /hr) with liquid methane (-160 c) assuming the vessel is at ambient. If so, where could I obtain suggested cooling rates?
What is iron ferrite and where is it found?
Why do some of the latest 'single crystal' superalloys contain concentrations of the grain boundary strengthening elements, e.g. carbon and boron?