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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What products have you designed which have entered high volume production?

Intel,

1819

What was your role in the silicon evaluation/product ramp? What tools did you use?

Intel,

1742

If not into production, how far did you follow the design and why did not you see it into production?

Bharti, Havells, Intel,

1916

what is the reason of power development in synchronous generator due to saliency ?

 1 6702

How is a 100 MVA transformer cooled?

 9 22673

What are the main Electrical IS rules?

3 9365

when we increase load , current drawn from source also increases why ?

5 20939

what is the difference between earth and neutral?

Bhel, Emerson, HCL, JLL, L&T, Siemens, TVS,

56 152516

What is thyristor?

 13 26468

What are the technical reasons for soaking transformers for various times before allowing them to pick load after a fault ?

GE,

4 53641

what is the instataneous value of voltage in a 3-phase balanced star connected circuit?

 6 11616

At which conditions a synchronous motor acts as a synchronous condenser?

KSEB,

9 25577

What is the power ratio between power in Star and Delta circuit?

ST Micro,

11 41579

For an 100kw generator, only 50kw of load is connected. will the generator generate only 50kw or 100kw. if it generate 100kw what happens to rest of the 50kw. what happens if we connect more than 100kw of load?

8 18699

In a synchronous motor armature current flows due to revolving flux which in turn rotates the load,but in no load condition armature current is zero hence thr is no revolving flux then how motor rotates?

 9 14385

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Un-Answered Questions { Electrical Engineering }

We have a distribution transformer of 750KVA/11kv/440v and an AVR (Servo Stabilizer) of 750KVA on the LT side of distribution transformer. Also we have an ACB of 1200A on the output of distribution transformer (that is on the input of AVR). We want to have an MCCB on the output of AVR. What should be the rating?

1852

How may I get the maximum current capacity for a particullar size Alluminum or Copper cable if there is compulsion to use?

1652

What is the formula for calculating impedance of transformers connected parallel at fault level 50KA?

1784

How to determine alternating current frequency?

866

I have iti elec, 1st aid, and 5 yrs experience in 7.5 mw power plant. Am i eligeble for 11kv license in telangana state..when, how to apply for that.?

2065

what is the formula for computing cable tray size & capacity

1896

State nyquist stability criterion.

853

tan delta equation test on alternators

1942

how to calculate compresor capacity?

1869

Safety of on line ups

1699

How to check the LM324 Ic

8219

What are the advantages of vscf wind electrical system?

846

How can I calculate the Mega watts required to run a plant having many electric motors and other electrical components.

1844

what is invertor supply and raw powersupply

1733

A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate number of pole pairs. A 1 B 6 C 2 D 3

1770

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