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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

6 15783

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

3 12217

when is the Ohms law is applicable?

11 20068

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

5 9078

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

7 8853

what is different between IP55,IP54 and IP66?

2 55462

which technique servo motor tested o.k or faulty ?

1 3786

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 6409

what is a difference b/w earthing & neutral?

5 9715

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

2 21058

What is the difference between MPCB and OLR?

11 54544

What is Meant by Load factor in Power plant?

2 12681

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

1947

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

1587

what size of copper busbar use for 11kv 630A

3 9050

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ABB Electrical Engineering Interview Questions


Un-Answered Questions

Is it compulsory to have script manager on the page when you are using any control of ajax control tool kit?

502


What are the advantages of bjt?

510


What is an off by one error in java?

465


Difference between a class and an object?

547


What is gcd in ios?

467






What is a pep python?

428


What are the types of attributes?

50


Is bgp layer 3 or 4?

523


Describe the difference between Interface-oriented, Object-oriented and Aspect-oriented programming

11066


How to regulate the flow of Air in 4" line, with max flow of 330 nm3/hr and Pressure of 0.5 bar? please suggest the type of instrument required.

1048


What comes under quality control process?

527


What is a white noise model and how can you simulate it using r?

57


What is 3 element control system

987


What is iswebpage?

423


How to send data from node js to html?

211