what is spherical surface contact and midsplit surface clearance regarding to turbine.

2 Answers   Bhel,

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Explain how does a super charger work in a car?

0 Answers  

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why we done superheated steam in to saturated steam.

4 Answers   ABSC,

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why not soot blowing performed of air preheater, while soot blower is in retract position?

0 Answers  

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WHAT HAPPENS TO THE VOLUME OF SOLIDS BY INCREASES TEMPERATURE OF THAT SOLID

1 Answers   L&T, Titan,

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How can we calculate the capacity of each impeller in a multi stage pump(Condensate extraction pump having 5 stage used in thermal power station)How it varies in pumping capacity on removing different stages?

0 Answers  

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How do you determine what suction pressure should be in r22 air conditioning compressors suction line?

0 Answers  

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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.

1 Answers  

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What is Boyles Law

1 Answers   MEIL,

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If pump suction valve is throttled, what would be the result?

9 Answers  

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sir i want model and previous year question paper of RRB. please send it to my mail id. im a mechanical engg.

0 Answers   RRB,

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what is possible maximum efficiency of a diesel engine and a petrol engine?

5 Answers   HPCL,

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