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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Pls Breifly explain about UPS (Inverter,Reserve,Rectifier,Float voltage,Boost voltage).

2783

where used of HVDS system.

3 9938

Iam Preparing For Ap Transco Assistant Engineer (ELECTRICAL) Exam how To Prepare What Is The Refernce Books.can You Give The Advises To Me.tahnk You. This Is Radhika Iam Preparing For Ap Transco Assistant Engineer (ELECTRICAL

2 22003

What is the speed of 3 phase IM(Induction motor) at no load? How will the Motor meet the increased load(Explain through fundamental)?

2 5248

Name quantities which are not transformed in the tranformer.

3 4748

What is Scott connection? In which device it is used?

4 20839

Are generator action and motor action relates to a particular machine only?

2 9589

What is Peterson coil? Where it is used?

2 16542

Is there any difference between load based power plant and coal based power plant?

1 3300

why do we earth the tandelta point of a power transformer bushing?

1 4203

what is meant by HT<?

5 8471

i am swathi, b.tech 4th year. In smps(switched mode power supply)we are using diodes,mosfets,igbts for controling of current. And my question is why we did not use thyristors(scr)? it is also act as a switch,then what is the drawback of scr as compared to above transisters> if we use the scr,then what is happening ? plz give reply as soon as possible bcoz i am doing project on smps. plz frnds i want ans for that. if anybody know the ans plz send to my e-mail id /swathi.tadakapally@gmail.com/

EEE, TCS,

5 10988

what is the VVVFD and?

4 14086

how to cal calculate capacitance in DC Circuit

1 4040

how to calculate the current capacity of a wire if its dimension in Square mm is given

TATA,

1 5131

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Un-Answered Questions { Electrical Engineering }

What is the meaning of 40X8X2 busbar dimensions for carring load of 400 Amps

1999

Is a contactor (or master relay) required between incoming lines and a VFD? The question goes to safety. If a contactor were used before the VFD and an e-stop engaged then the motor will coast to a stop (i.e. VFD loses power) instead of stopping much faster if the VFD braking fucntion were used. It would make more sense to keep power on the VFD.

2181

what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?

2356

When MICC cables used ?

2084

how to calculate the conductor size for certain KV transmission line and distribution line?

2514

Q: How to calculate Transformer losses , tell us by Formula.

2074

How work of capacitor in dc supply...???

1606

what curve and rateing would you use for a three phase 0.75kw motor?

1991

what is different between phase and netural

1979

List the power rating of any 5 important electrical appliances used in houses.

2053

(1)WHAT HAPPENS WHEN SUDDENLY LOAD GIVEN TO THE INDUCTION MOTOR ? (2)CAN WE MAKE WOOD AS MAGNET ? (3)WHAT IS THE VALUE OF MAGNETIC FLUX DENSITY IN TRANSFORMER ? (4)WHY WE ARE USING ELECTROMAGNETI NOT ELECTROSTATIC IN MACHINE ?

2184

The power supplied to a 33microF capacitor from a 120V, 60Hz source will be

2156

how is the magnetic current test is different in delta-star and delta delta transformer.

2188

what should be the no load current for 3 phase ac motors ranging from 5 kw to 1000kw?

1798

What is the permissible limit of shaft voltage for 6.6 KV motors ? Why? Is there any standard is available?

2659

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