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ACC Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

what the role and resposibility of mech engg in power plant project.

2 6074

what is the composition of cement?

2 2928

Two cars travell in same direction at 40 km/hr at a regular distance. A car comes in a opposite direction in 60km/hr. It meets each car in a gap of 8 seconds. What is the distance between them?

7 5136

Why reciprocating type compressors are used in cement industry and why not centrifugal type compressor?

1 5397

gas turbine poewr plant works on which cycle

3 4497





how many kinds of bearing?

3 5297

different beetween blower and compressor

5 4291

what is the purpose of bowl in a centrifugal purifier?

2 1217

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Un-Answered Questions

4)what is list price in product catlog?

780


how can we understand that where we have to use ac or dc coil for solenoid valve and why?what is the different between coil of ac and dc explain please.

648


1. What are good characteristics of good combustion in a boiler? 2. What do you analyze from boiler water analysis? 3. What do you treat in high alkalinity of boiler water? 4. What is a feed water pump? Dearator feed heater? 5. What is the purpose of the nozzle of impulse turbine? 6. What are the things needed to have an efficient boiler burning? 7. Name Of Parts And Each Purpose 8. What are the causes of emergency stop in a steam engine? 9. What is the normal vacuum pressure in a steam turbine atmospheric condenser? What would cause the press to falls? 10. Steam turbine (function an parts) 11. What is the boiling point of water? 12. What are the safety devices of boiler? 13. What is the effect of high alkaline water to a boiler? 14. Steps In starting boilers. 15. Small gear found in the steam turbine. 16. What is an Economizer? 17. What are the methods of heat transfer? 18. Types of pressure 19. What are the different parts of impulse reaction turbine? 20. What is the color of the flame of the boiler running in good condition? 21. What type of pump is commonly used is feed water system in auxiliary boiler? 22. What is the specific heat of water? 23. What do you do to prevent flare black? 24. What is a brake horsepower? 25. What is the purpose of a de-superheater? 26. What is the purpose of corrugated furnaces? 27. What are the causes of steam turbine failure? 28. What is the purpose of superheater? 29. Given a cutaway isometric view of the steam turbine. Examinee was asked to identify the following Parts: 30. What is thrust bearing? 31. Give five boiler mounting valves. 32. In steam boiler, what are the various test in water boiler? 33. How much calorific value of heat is needed to heat 00c of 34. What will happen if boiler backfires? 35. What is the color of flame if the boiler is running in good condition? How about when it is not in good condition? 36. How does the steam work in a steam turbine? 37. What are the causes of boiler backfire and steps in how to prevent it from happening? 38. What are the causes of high alkalinity in boiler water? 39. What are sensible heat, latent heat, and specific heat of water? 40. What are the causes of turbine vibration 41. Identify the parts of steam turbine 42. What is the normal Ph value of boiler water 43. Causes of dilution of lubricating oil in a steam turbine? 44. Explain briefly- good combustion of auxiliary boiler? 45. Method of testing or checking boiler water? 46. What is mean carry over of Aux. Boiler? 47. What are steam turbine parts usually come into damage? 48. Why must we pay attention when we drain steam in steam turbine. What factors are observed? 49. What type of pump use in boiler F.O. system? 50. What parameters to be reported when we send lubricating oil for shore analysis? 51. In boiler, what does steam and smoke goes out to the funnel. What reason? 52. Where can you find the feed check valve and feed stop valve and give the purpose of it? 53. What are the causes of troubles in boiler during operations? 54. Give the purpose of nozzle in impulse turbine? 55. What s gland sealing steam? 56. How to prevent back fire of boiler? 57. What is the used of economizer in boiler? 58. What is the seal packing gland for turbine? 59. What is the flow of steam in an impulse turbine? 60. What will happen if you blow the soot in the boiler? 61. State the purpose of air heater? 62. How to operate soot blower boiler and economizer? 63. What do you mean by A.CC.? 64. What is the thermal efficiency of a diesel engine? 65. What is a blow down valves?

819


Walking man eating tree', what is its scientific name?

758


Please tell me which institute is the best to study Informatica and asp.net in chennai Also please send me the latest interview questions in asp.net,c# and sql server to my id ramtryin@gmail.com

748






From the following find out a. Profit Volume ratio b. Break even point c. Sales for 40% P/V Ratio d. Margin of safety from the sales Rs 3,00,000 e. Net profit from the sales of Rs 3,00,000 f. Required sales for the new profit of Rs 70,000 g. Required sales for the net profit of Rs 70,,000 after tax, the corporate income tax being 40% h. Additional sales required to convert an increase of Rs 3000 p.a. in the sales manager salary Sale 2,00,000 Variable Overheads 1,50,000 Profit 50000 Fixed overheads 15000 Net profit 35000 Sl No Heads of Account Debit Rs Credit Rs 1 Drawing and Capital 750 15,000 2 Stock as on 01.01.2009 69720 3 Bills Receivable and bills payable 1000 1180 4 Returns 300 320 5 Purchases and Sales 4500 8300 6 Wages 70 7 Discount 30 8 Salaries 200 9 Canara Bank Shares 3000 10 Insurance 120 11 Building 3000 12 Furniture 700 13 Debtors and Creditors 600 1300 14 Cash in Hand 470 15 Overdraft at bank 900

767


HOW WE MAKE A RESERVE AND AFTER ITS USE HOW WE NIL IT PLEASE MAKE A PROPER ENTRY.

636


What is hplc techniques in experiment a?

116


What is center gravity load in substation?

815


Difference b/w 9.1 and 9.5 Versions in LoadRunner?

4397


why we use special regent like hexane, taluene and potassium dicromate in uv clabration.

863


how to calculate the rate of hard ,soft and very very hard rock rate of cubic meter

243


I wnat to practice more online type questions .so will you show them me to take a practice test?

124


public class ActionSearchBean extends GenericSearchBean { @Override public String search() { data.setRowCount(null); if(data.getRowCount()==0){ data.getNoRecordFound().setRendered(true); data.getDataScroller().setRendered(false); } return "searchAction"; } @Override public String clear() { data.setRowCount(null); if (data.getRowCount() > 0){ data.getNoRecordFound().setRendered(false); data.getDataScroller().setRendered(true); }else{ data.getNoRecordFound().setRendered(true); data.getDataScroller().setRendered(false); } data.setModel(new ActionDTO()); data.setRowCount(null); return "searchAction"; } } what is the purpose of @Override ...what will do @Override here ?

1149


What is the difference between interfaces and abstract class

69






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