What is the air fuel ratio for idling speed in S.I engines?
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Upto what negative temperature below zero degree we can use IS 2062 Structural material?
I currently use 17-7 PH stainless which is hardened to condition CH after forming. raw matl is .1.75"X .12" X .008". Its main usage after hardening is silicon wafer retainer where it's contantly cycled up and down to putin and remove wafer after 40-60 sec process at 400C temp. At this high temperature this part seemed to deform after a a couple of hundred wafer which is what it was designed for in the first place. THere is a proposal to go to a different material to increase lifeline of this part. My question is..... can 321 SST be a plugin replacement. I know this has a higher temp rating but how about its forming characteristics, will it have spring properties, and wont become brittle after prolonged exposure to 400C.
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Differentiate between 304 and 316 grades of steel?
Aircraft gasturbine is made of ?
What is recrystallization?
What is power metallurgy?
what is the hardness of ohns before heat treatment process and hardness of en series before heat treatment process
What are allotropes? What are the allotropes of iron and carbon?
Define what are ceramics?
Why is steel vital in the construction of an aircraft?
Any body know when the medicals are starting for the BSI P.O , if anybody got any call letter please let me know