What is the Difference of ultimate tensile stress of mild steel to ultimate compressive stress ?
NIC,
983
What are the chemical composition of cast iron grade 20
What is thermodynamic state of metal?
Which type of key is used between shaft and pulley?
How to calculate heat affected zone in weld?
Explain any method through which molds can shine after casting?
What is the use of core prints?
What are allotropes?
What is the use of damper?
Define what is a silver and deming drill bit?
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?
What is iron ferite?
What is iron ferrite?
How one can differentiate between 304 & 316 grades of steel (physically)?
Define surge tank.
what is the strongest metal? How would a salt and water solution clean a penny but a vinegar and salt solution will not clean a penny? Define what is the cause of this?