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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

6 12658

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

3 10563

when is the Ohms law is applicable?

11 14831

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

5 7197

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

7 6124





what is different between IP55,IP54 and IP66?

2 49997

which technique servo motor tested o.k or faulty ?

1 2938

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 4951

what is a difference b/w earthing & neutral?

5 7393

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

2 17077

What is the difference between MPCB and OLR?

11 39917

What is Meant by Load factor in Power plant?

2 11287

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

1281

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

981

what size of copper busbar use for 11kv 630A

3 7418

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ABB Electrical Engineering Interview Questions





Un-Answered Questions

what is buffer solution?

964


How can we calculate the capacity of each impeller in a multi stage pump(Condensate extraction pump having 5 stage used in thermal power station)How it varies in pumping capacity on removing different stages?

1080


how to deploy tomcatserver to weblogic server? write d following steps?

898


what is the percentage of W.C.T T.D.S to deduct from vendor, and is this includes T.D.S deduction or again T.D.S has to deduct separately?

1188


If you are posting a message on a queue & Server is down. What happens.

732






what is the calibration procedure for magnetic flow meter @ onsite

570


What do you know about Bio metric ATM?

35


hi i am siva icompleted m,sc in organic chemistry in 2008&working as alecturer can u send me the interview qusetions with answers . i expected that i got 135 - 140 marks is there any chance to get selection my interview is on may 7th 2010

962


Define hibernate and hql?

1


How do I list directories in dos?

1


What is the use of SAP Supplier Relationship Management?

26


What is the use of method – 'fork()'?

5


What is the difference between html5 application cache and regulate html browser cache?

10


What is devaluation and depreciation of currency?

35


What should be the voltage between Neutral and Ground in secondary side of the step down transformer (230 V to 110 V) with no load condition?

1000