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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is Single Phasing fault???(not single-phase fault)

6 11646

How we calculate the current carriying capacity of the different sizes of Aluminium busbar ?

3 10170

when is the Ohms law is applicable?

11 12801

What makes the difference between 50Hz supply and 60Hz supply which one is economical? What is the use of using increased frequency?

5 6715

why middle phase should used for earth fault and other phases used for over current in overcurrent and earth fault relay?

7 5632





what is different between IP55,IP54 and IP66?

2 46685

which technique servo motor tested o.k or faulty ?

1 2706

If we have a 2000kva load,How much kvar capacitors we go to add to improve the power factor at 0.9?pls give the calculation and fully theory?

2 4581

what is a difference b/w earthing & neutral?

5 6741

What is the difference between Class PX & Class X CT's

2 15013

What is the difference between MPCB and OLR?

11 36206

What is Meant by Load factor in Power plant?

2 10648

What is the formula formula for Busbar sizing and what are the things to be consider for Busbar Calculation?

1104

What are the factor to be consider for CT selection in 132kV substation?

819

what size of copper busbar use for 11kv 630A

3 7056

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Un-Answered Questions

State the formula for overall efficiency of thermal power station

1777


What is selectnode method will give?

973


WHICH IS IMPORTANT IN BUSINESS ETHICS OR PROFIT ?

649


How to Perform Endian Conversions?

297


In few lines, please be elaborative on extras and talents that make you a potential candidate for the post:

2145






What is the physical significant of power factor?

605


how to write code for singlepage in sqlrpgle with update ?

1498


In how many types u can do POP on ceiling and walls(on which material or by using which material)? b) what is the difference between dry , oil bound, enamel, acrlyic type of painting?

1009


How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.

1165


what is MTS.MTO,ETO

326


Explain the Virus plaque assay for VSV ?

1588


What is a mission critical system?

1061


1. Tell me about your self? 2. Latest Project Introduction? 3. Difference between server jobs and parallel jobs? 4. Seq-Seq Explain its behavior and execution mode and which parallelism technique is used? 5. What is padding characters? 6. Seq-Seq, Seq-Copy-Seq which one is the best and efficient? 7. How many reject links do we have to a transformer? 8. How many reject links to join stage? 9. Difference between join and lookup? 10. How to design PX routine? 11. How can we call job in another job? 12. Difference between batch and sequencer? 13. Which Database is used? 14. What is change capture? Give briefing of that? 15. What is change Code? Explain? 16. How you call UNIX in Ds? 17. How do you call JCL in UNIX? 18. How do you pass the job status of one job to another job? Have designed any job sequencer? 19. How do you find a file in existed directory? 20. How can you call parallel jobs in transformer? 21. Execution of jobs in command line? 22. Tuning of sql queries? 23. What is orchestrating metadata? 24. What are junk dimension? 25. What are the third party tools you are used? 26. What are the system variables you have used?

770


what is inheritancy where u required ?

730


Double declutching is used for the engagement of gears in a) Sliding mesh type of gear box b) Constant mesh type of gear box c) Synchromesh type of gear box d) None of the above

60






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