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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

6 12506

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

3 10524

when is the Ohms law is applicable?

11 14551

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

5 7112

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

7 6034





what is different between IP55,IP54 and IP66?

2 49579

which technique servo motor tested o.k or faulty ?

1 2896

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 4898

what is a difference b/w earthing & neutral?

5 7311

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

2 16886

What is the difference between MPCB and OLR?

11 39408

What is Meant by Load factor in Power plant?

2 11226

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

1264

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

964

what size of copper busbar use for 11kv 630A

3 7379

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ABB Electrical Engineering Interview Questions





Un-Answered Questions

What is the process to enhance the Infotype

2217


what is load vs Torque curve & why it is used?

884


what is moisture probe? What are there types? What is there working principle and how they works? guys this is one of technical question I had ask in interview. If you know its answer please let me know. The interviewers were more interested in microwave moisture probe, so if you find its any link please just forward me on my mail id.avinash1200@gmail.com Thanks in advance.

811


what is Negotiation?

1429


Mention how to limit decimal places for the variable using proc means?

9






What is Cmdlet in Azure?

1


What are Flume core components?

3


What are the advantages of Robotic Process Automation?

1


What is a thymocyte?

1


explain your project plan with exam pal? i am preparing inter view .............

1296


sir i completed apprentice in TNEB.apprentice is eligible for 'c' licence

854


What is Annunciation?

917


1.give the details about WHEN OTHER. 2. how many form are available in evaluate.

882


What is Search Engines?

12


High voltage test procedure of in swgr board. why should measure millivolt drop on testing time?

918