Answer / akash

eccentricity is usually measure in steam turbines as the
turbine shaft is much longer then gas turbine and and the
chances of displacement of shaft from its central rotational
axises very low that's why it is not considered in case of
gas turbine start.

Answer / k w tay

Radial clearances in gas turbine are very large compare to steam turbine where eccentricity meter is essential during startup. Also gas turbine rotor are relatively shorter than steam turbine.

what is meant by boiler

18 Answers   Infosys,

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What do you analyze from boiler water analysis?

0 Answers   ABC Inc, RRB, Siemens,

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Why we need two angle of projections ( 1st angle and 3rd angle)? Cant we standardize to one.

2 Answers   Hyundai,

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send me jindal tech round papers

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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state the difference between move & copy

1 Answers  

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i was been selected in et 2008 exam in mechanical engineering discipline .how to get prepared for interview

0 Answers   Bhel,

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Hi! Greetings of the day. Can somebody tell me about as built duct sheet area calculation method. As we know that for this purpose A = (W+H)*2*L. But I have query about multiplication factors for elbows, tappers, offsets etc if there is any. Also refer the papers if available. Please revert. Thanks in advance.

0 Answers  

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Why the work per kg of air flow in axial flow compressor is less compared to centrifugal compressor for same pressure ratio ?

0 Answers  

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what can be the technical questions for the post of a design engineer?

6 Answers  

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what is mean by pitch diameter?

6 Answers   Greaves,

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pls send the technical question paper

0 Answers   Goodrich, HAL,

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