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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Difference Between Isolator and Mcb

VHB Medi Life Sciences,

13 50582

Please tell me ceilingfan sweep means. Commenly we used sweep1200mm and 600mm MMENLY WE USED CEILINGFAN SWEEP1200MM AND SWEEP600MM

1 15093

we want install 11KV generator to supply power 12km far from the power house.Load to be fed is 1MW.which conductor should we use and wat will be transmission line losses?

CEM Engineering,

1 4596

What is the basic principal of Diesel genarator?

Juniper Networks, MRF,

3 9835

What is the main uses of VCB & ACB?

2 6160

What is the use of arc chute in ACB?

lenovo,

7 17587

how can we change the supply voltage?

Areva,

4 7062

how do i convert 22kw to kva

Stag Computers,

4 15506

What is meant by field loss in a DC motor?

1 6324

why in crona effect it give violet colour.

1 3580

what will happen if we will not use commutater means if we will give dc to the windings in dc motor

1 5354

I AM A ELECTRICAL PANEL BOARD DESIGN ENGINEER.IF I GO ANY INTERVIEW ,TECHNICALLY WHAT ARE QUESTIONS I WILL FACE FROM INTERVIEWER?

Bell,

12803

can a 50 Hz transformer work satisfactorily if placed under 60 Hz,what are the prices and losses that will arise

5 7163

What is static frequency control used in gas turbines

1 3668

What should be the length of transmission line so that we can see/obtain the full sine wave of voltage??

Siemens,

1845

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Un-Answered Questions { Electrical Engineering }

Importance of fault current in power transformers and how to monitor the same? How is it different from winding temperature?

1766

can any one know is sbi interview based on merit or based on roll number

1934

Explain the function and difference of Restricted earth fault, simple earth fault and sensitive earth fault with connection diagram.

2603

Explain the term parallel path in dc machin ?

2145

WHAT IS SUBSTATION & ACCORDING TO VOLTAGE HT,EHT SUBSTATION EXPLAIN IT

3107

ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?

1963

Apparent power is expressed as V * I(Conjugate). Why not in V * I ?

3851

WHY RATING OF VCB NOT LESS THAN 630A

2561

In Designing the rating & accessories of a MCCB how to choose the type of releases..means what is the basis for selecting, thermal magnetic, electromagnetic & microprocessr based releases

1984

What current flows in the transformer primary when its secondary is open?

1155

Can i replace Earth leakage relay to the faulty Earth Faulty Relay

1470

Explain what is electric traction?

1057

what is the difference between earthing and unearth

2959

Why does amplifier gain reduce?

1007

What is the method to solve circuit using source transformation?

1082

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