Define what is the casting and forging?
What is iron ferite?
Do you know what metal might be considered the "most environmental"? I say aluminum because it can be recycled others on my team say brass.
Discuss steam engines. What is its overall efficiency ?
Which metal is the best conductor of heat?
What is the most ductile metal?
What is a cryogenic fluid?
Aircraft gasturbine is made of ?
Explain metallurgical microscopes?
What is iron ferrite, define what is it used for, and where is it found?
Define what kind of cleaning substance or treatments keep or help prevent cast iron from rusting?
Does case harden steel properties detoriates over time? Especially for guns, parts like bolt carrier, the brand new parts has been kept for 10 year and properly oiled. I am worried about its surface hardness to take the blow during firing.
What metal cord transfers electricity, and how can I tell?
How to calculate heat affected zone in weld?
Explain stress corrosion cracking?
