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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

6 11345

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

3 10052

when is the Ohms law is applicable?

11 11639

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

5 6549

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

7 5390





what is different between IP55,IP54 and IP66?

2 45141

which technique servo motor tested o.k or faulty ?

1 2608

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 4415

what is a difference b/w earthing & neutral?

5 6513

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

2 14215

What is the difference between MPCB and OLR?

11 33998

What is Meant by Load factor in Power plant?

2 10350

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

1039

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

735

what size of copper busbar use for 11kv 630A

3 6913

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Un-Answered Questions

tell me about roll model as father

803


Explain "VAR_INPUT" when defining a Function Block??

609


What protocol is used between client and WebServer?

278


If a surge divertor is required to be protected by 32 amp C Curve Circuit breaker does this limit the amount of protection from surges that you will acheive

475


Why we use circular(Stepped) cross section in transformer core?

776






Nike,Inc. has developed a variable-overhead rate of $10 per machine hour,and estimates fixed overhead $250,000 for production up to 100,000 units per year. If the production manager estimates 9,000 machine hours for the production of 90,000 units next year, what are estimated variable-overhead costs?

841


pls send me rrb se(s&t)questions

784


In the case of Internal Reconstruction of company Accrued Int. On debenture / Outstanding int. On debenture transfer or not in capital reduction a/c . Explain

105


What is Subnetwork?

578


What is the procedure for installing USP-35 on my compure?

907


what is addition of Opening Balance and net profit transfered from profit and loss account called

718


How fast can a shadow move ? If a moth fly's in front of a very bright room temperature light powerful enough to light up Saturn like the sun could it's shadow move faster then light if there was no light diffusion.

778


What is contract accounting?

828


how to design online bank web page with asp.net

2254


what percent of wages calculate from sales of a firm (registered under manufacturing of machinery spares) sales (appr)- RS.10000000/-

648






ABB Electrical Engineering Interview Questions
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