Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Transmission line design. Say, I have a 1MVA generator and 2 transformers that will have the same load. What would be the proper rating of the trasformers? Is it safe to say, that I will simply divide the total rating of the generator?

1 3821

what composit error,ratio error,phase error in CT and PT??

4 38265

Why Aluminium wires are used for High tension(HT) lines? 11 KVA/32KVA & aboue

6 16915

srij i need the relationship b/w KW AND KWH and with an electrical example. plz send if u can?

4 6341

What is the percentage loss for aluminium wire for HT line more than 11KVa

2133

When charging a 20 MVA , 33kV/6.6kV transformer through regulated (0-6.6 kV or 0-33 kV) source on no load , what will be the maximum current drawn by transformer from source and what sould be the source capacity.

TATA,

5 11715

I am working on a 11KV system with fault current of 40KA for 1 second. I have selected 2500MVA 11/0.433KV transformer. How can i find the impedance value for this transformer? Please help me.

PPL,

2 6891

what is short circuit force ? How to calculate it for Panel?

Bilt,

1 6212

what is the difference between high impedance REF & REF, same high impedance differential protection & differential protection for Power transformer?

1 9609

to improve the existing power factor whether capacitors have to be added in series or parallel.and why

3 6926

how to calculate the capacitor rating for improving power factor

L&T, Property Solutions, Synergy, TAFE,

10 23666

why earthing is not required on transformer prymary winding side ???

Genpact,

13 27520

want to know about DMRC

4 9259

why the amount of voltage generated at power generating stations is 11 KV only....?

3 5299

In a company has been installed an analog amperemeter, this company was suplied by generator X, there is no problem in the ampere meter, rigth now this company's supplied by generator Y then the pointer in amperemeter vibrating. What happened? Why? Thank's

2 4413

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Un-Answered Questions { Electrical Engineering }

i am studying in final year can i allowed for 23rd UES of Indian army

2124

Show the schematic arrangement of diesel power station layout and give its principle of operation.

3043

number of I/O devices in siemense plc

2146

what is the k var ratting of 1250kva

2098

How does "OUT OF STEP" relay ,for Synchronous motor protection, work?

4348

why power not passes in plastic and rubber material

1977

PLEASE TELL ME ABOUT QUESTION PAPER OF UPCL ENTERENCE EXAM.

7979

What is the size of a 60 watt and 80 watt tubelight?

2168

different aspects of voltage stability

2068

What safety precaution are to be taken for avoiding electric hazards ?

1871

What is electrical diversity factor in electrical installations?

1216

What are the basic elements used for modeling mechanical rotational system?

1117

direction of tarbine& genrator

2095

Do closed loop systems require manual input?

1165

(In MEP services) HVAC in AC Plant room what else can we provide if the chiller is not considered?

2047

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