how can we remove paint from (painted over)plastic or nylon objects with out damaging the object?

2 Answers   SGI,

---

What is the difference between Mild Steel and Cast Steel with full chemical composition and application details.

0 Answers   DAE,

---

what is a four stroke engine?

11 Answers  

---

functions of timing chain

1 Answers  

---

what happend if diffrential expantion is increases in steam turbine

1 Answers  

---

why we can't use carnot cycle in steam power plant?

3 Answers  

---

Is enthalpy represent the heat content of a substance? and is the substance is liquid or gas or solid? or all

1 Answers  

---

What is a stage in a steam turbine?

0 Answers  

---

Why are lng pipes curved?

0 Answers  

---

What is raito of coolent level in DG

0 Answers   Cummins,

---

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  

---

what will be the minimum bearing clearance that after it will not profitable for machines?

0 Answers   Wartsila,

---