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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How to identify Motor leads in their order coming out from winding without tag (U1, V1, W1 & U2, V2, W2)?

6 38949

I have a transformer whose primary operates at 230V, 50Hz for which the secondary voltage will be 12V, 50Hz. What will be the secondary voltage if the primary is fed with 400V, 8KHZ Signal?

6 6011

Why TAP changer provided in primary side of HT transformer ? and why not in secondary?

9 41040

What is system earthing?what are the types?

1 1961

Why P.F(power factor)relay should not be connected to the D.G(diesel generator) incomer side

1 2402





How can we calculate the KVA rating of a Distribution transformer from its core details?

977

What is the min.& max distance between two earth spikes is required for measuring earth resistance of an earth pit? Is the manufacturer of Earth tester decides this? Pls explain.

3 6529

What happens if the capacitive reactance of a transmission line is very high?

5 11537

what is the purpose of battery tap voltage.

3 15962

Why we Specify Transformer rating 433 V Instead of 415V ?

8 21245

what is the diff. between x'mer , isolation x'mer & ultra-isolation x'mer ?????????????

900

what is the procedure for three phase motor differential relay testing can it do with single phase test kit?

1 11553

What is power factor ?What are the benefits of improved power factor & how. Please explain with examples.?

5 9034

What is Grounding? any difference b\w earthing? if yes plz explan??

3 4668

why generally transformer are in star to delta or delta to star used?

8 15876

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ABB Electrical Engineering Interview Questions





Un-Answered Questions

What is the main difference between yum & rpm?

6


What is audit trail in siebel?

35


What are the key features of Python?

29


how a science graduate is helpful in banking. how his/her studies like physics/chemistry/mathematics is related to banking

783


Does java support multiple inheritance or not?

28






1)difference between Collaborations and Collaboration Rule 2)difference between Standard eWay and multi-mode eWay 3)difference between STC iq and JMS iq's

1715


Please can the SQL code below be interpreted IF @xMatchCriteria='MATCH12' BEGIN IF EXISTS (Select * from #InsightData where (EmailAddress=@xDCPEmailAddress ) ) BEGIN SET @xTestMatchCriteria = @xMatchCriteria; SELECT @xCRMCustomerId=CustomerId, @xCRMDcpCustomerId=DcpCustomerId, @xCRMPortalCustomerID=PortalCustomerID,@xCRMDcpID=DcpID, @xCRMCardNumber=CardNumber, @xCRMEmailAddress=EmailAddress, @xCRMfirtLetterFirstName=firtLetterFirstName, @xCRMLastName=Surname,@xCRMAddressLine1=AddressLine1, @xCRMPostCode=PostCode FROM #InsightData where (EmailAddress=@xDCPEmailAddress ) END ELSE BEGIN SET @xTestMatchCriteria='No'+@xMatchCriteria; END END

632


We have one home page for a web application.It has so many components which are being tested by different teams. If one component testing get delayed but all other components testing is done, can we sign off testing for that home page? If no, what should be done?

558


is there a way to load values for a specific segment outside of the form?

1


How can one back up the data of ms outlook?

1


Why dtsi is used in motor bikes?

9


Is WCT paid to be considered as overhead during costing in construction firm?

806


do you think you have quick learning ability?

9


What is new in the .net 2.0 class library?

46


What are the advantages of angular 2 over angular 1?

8