| Other Mechanical Engineering Interview Questions |
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|What is Six Sigma, Where is it used and what is its Benifits
|In what principal an hydraulic governor does work?
|types of stainless steel.why does this called
stainless.what is passivation related to SS? What is
sensitisation in stainless? Examples of diffrent type of
steel e.g. austenatic,martensite,ferritic etc. 304,303,316.
How to get rid of carbide formation in SS and stablization
in SS.(347 etc.)Different type of heat treatments. Iron
carbon diagram. Nelson chart with respect to corosion.
Diffrent type of corosion and causes. Carbon equvalent
number. Welding related questions.(requirement of post and
pre heating in welding). welding of SS. If you have pre
experience in maintenance then Material and welding related
questions will be there. Then various types equipment in
plant (a) static (b) rotatic in pumps and
compressor,turbines funda of balance drum and balance disc,
balancing line. Impulse wheel, wheel chamber pressure and
its effect on turbone health if this increases. Thermal
expansion of turbines and with respect to how foundation
bolting are designed. Fixing of lower casing before
dismantling. Most important shaft alignment and balancing
of rotating equipment,classification of static and rotatic
equpment used in process plants. Materials for diffrent
services as refinery plants fertilizer plants, cement
plants, sulphur plants, crude oil with higher sulphur
services, then third important thing is codes, standards
and recommended practices of diffrent organisation like
ASTM,ASME,API,TEMA,BIS,IS,ISO,NPFA,OISD etc. diffrent type
of work permit systems fire and safety point of view.
|What is the specific gravity of F.O. and D.O?
|what is BOOSTER pump which is used in power plant?
|why some shafts are drilled internally " mech stress point
|how a disel engine works in generator? explain with
|What is mean by retrofitting of machine tool please brief
|what is back plate in centrifugal pumps and its purpose?
|what is grease? what is it made up of so that it maintains
its properties for a long long time?
|WHAT IS THE DIFFERENCE BETWEEN IMPACT FORCE & SUDDEN
FORCE.TELL ME WITH EXAMPLE IF YOU KNOW
|• What motivates you to do your best on the job?
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