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NTPC Interview Questions

Questions Answers Views Company eMail

diffuser increases pressure but in turbine pressure is decreasing when steam passing through casing?

5 9937

what will be the output of the temparature transmitter if temp is 120 degre celcius.

1 3810

why generaotr rating is in kva and dc motor in kw?

7 15550

what is the size of 50 kg cement bag ? gunny & paper

10 64677

why vaccume required in turbine?

12 23805

What is 100% protection of generator? Why 95% protection is used not 100%?

9 40714

what should be distance between phase to phase in 415v system?

1 6307

why in america the supply frequency is applied as 60 HZ. but in india we use 50 HZ.

1 3214

which type of effect of turbine and generator reverse power protection ?

4195

400 kvtransmission lines in india are connected in star or delta

10 14617

If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?

4484

As there is a two types of rates of depreciation i.e as per Income tax Act & As per Company Law.But, in accounting process which of these rates should be taken ?

1 4442

What is the relation between the Peripheral speed(N) , no.of poles(P) and diameter(D) of a cylindrical rotor alternator ?

5 13171

why it is necessary to maintain frequency constant in a power grid ?

1 6151

What is the difference between pipe and tube?

6 9719

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NTPC Interview Questions

Un-Answered Questions

What is activex document in vb?

683

How will you do the creating timed events.

713

What is an Arduino?

Why are cursors used?

1122

Is there any advantage of last_name varchar(50) over this last_name varchar(255)?

907

When was the company's act framed?

1156

5. How many repositories can we create in Informatica? 6. What is surrogate key? 7. What is difference between Mapplet and reusable transformation? 8. What is aggregate awareness? 9. Explain reference cursor? 10. What are parallel querys and query hints? 11. DWH architecture? 12. What are cursors? 13. Advantages of de normalized data? 14. What is operational data source (ODS)? 15. What is meta data and system catalog? 16. What is factless fact schema? 17. What is confirmed dimension? 18. What is the capacity of power cube? 19. Difference between PowerPlay transformer and power play reports? 20. What is IQD file? 21. What is Cognos script editor? 22. What is difference macros and prompts? 23. What is power play plug in? 24. Which kind of index is preferred in DWH? 25. What is hash partition? 26. What is DTM session? 27. How can you define a transformation? What are different types of transformations in Informatica? 28. What is mapplet? 29. What is query panel? 30. What is a look up function? What is default transformation for the look up function? 31. What is difference between a connected look up and unconnected look up? 32. What is staging area? 33. What is data merging, data cleansing and sampling? 34. What is up date strategy and what are th options for update strategy? 35. OLAP architecture? 36. What is subject area? 37. Why do we use DSS database for OLAP tools?

2716

What is the system landscape at xyz client?

574

What is the difference between length () and size () of arraylist?

908

What are the main advantage of using windows?

839

Tell us how can we access the data sent through the url with the post method?

994

difference between mqsc commands and control commands?

953

What is bridge rectifier and explain with details

1919

What are electric motors?

1158

How do I convert microsoft works to microsoft word?

802