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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

6 12042

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

3 10305

when is the Ohms law is applicable?

11 13614

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

5 6897

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

7 5795





what is different between IP55,IP54 and IP66?

2 47930

which technique servo motor tested o.k or faulty ?

1 2789

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 4713

what is a difference b/w earthing & neutral?

5 6975

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

2 15842

What is the difference between MPCB and OLR?

11 37593

What is Meant by Load factor in Power plant?

2 10933

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

1169

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

872

what size of copper busbar use for 11kv 630A

3 7178

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Un-Answered Questions

what is ment by suspence account and dummy account

818


what is auto re-closer?

1116


Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . y d.c series motor in train.train wheels r driven by D.C shunt motor ,at what voltage,and at what speed. please reply..............

681


IM GOING TO GO FOR AN INTERVEIW SOON AND I WANT TO KNOW WHAT SAP PP INTERVEIW QUESTIONS ARE LIKE. I DONT HAVE A REALTIME EXPERIENCE THOUGH. ITS MY FIRST TIME

1142


What will happen during the export process?

791






To specify the test artifacts involved in testing.

851


Best Tutorial for learning Illustrator from basics.

261


How to calculate the approximate size of the SGA based on the size of the block,shared_pool,redo_buffer_cache and db_buffer_cache?

1576


What is an area sweep and when is it used?

476


. What is state space? a) The whole problem b) Your Definition to a problem c) Problem you design d) Representing your problem with variable and parameter

673


how many types of financial teribuanal? what is that?

796


What causes contractures?

899


I have created an invoice and made the payment in Accounts payable. Now the payment status is Negotiable and accounting status is processed. I reconciled the transaction in Cash Mgmt, The status changed from negotiable to Reconciled in CM. I checked the payment status for the invoice in payment window(AP), the payment status changed to RECONCILED UNACCOUNTED i.e correct but the accounting status is remain processed which is not the correct. I hope the transaction will be correct if the accounting status would have changed to PERTIAL . Please suggest any solution for the above query.

1317


How do you do capacity planning ?

300


11 kv input, 66 kv input advantages

167






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