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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what are the different type of transformers available in markets???

Atomic Energy Commission,

6 8455

what will happen if we use earthing inplace of neutral for domestic energy meter

Polyplex Corporation Limited,

5 9730

While elctrical load on DG,capacitor banks kept off why so? If capacitor banks on is their any effect DG?

IL&FS Infrastructure Leasing Financial Services,

4 13206

why do we use 3 single phase instead of one 3 phase?? though vee connection is its advantage but what is the hidden reason behind it??

2 4907

We have 420volts, Diesel gen-sets each 750kva 4nos. we are operating with bus bar duct having 10x150mm for each face 4nos. our question is what is the minimum gap required between each face? is there any satutory regulations?

Alliance One,

1 3531

how we have to calculate the short circuit current for 33/11kv 2mva, 7.5% Z, Transformer primary side breaker and secondary side breaker short circuit current for both sides?.

5 15992

what is the advantages of Lighting transformer?.. is it possible to reduce the power consumption ?.

Lucas TVS,

6 31737

transformers? power factor? machiences?

3 5537

how can u say about the line by looking at the tower ? {voltage rating of the line}

BARC, London,

3 6780

how inductance related to number of turns in a choke

3 5372

what is tan delta measurement?..... why that terminal is earthed.....?

Power Grid,

4 8822

Why only 1ph,2ph,3ph supplies are universally used?? Why not 4ph or 5ph??

4 9298

diffance between eletrical and eletronics?

3 5676

What is the difference between XLPE & FRLS cables? Is FRLS cables is a type of XLPE cable or both r different?

5 95435

Why it need to form a capcitor when it not been in use from three or two year. Plz describe it technically.

1946

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Un-Answered Questions { Electrical Engineering }

BSNL TTA EXAM QUESTION

2190

what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY

2217

how to set the time in digital timer ?

2036

why output is out of phase in case of common emitter?

2159

What are the classifications of oscillators?

1094

What is the importance of earthing?

1130

wHAT IS CAPACITANCE LATCHING? hOW TO CALCULATE CAPACITANCE LATCHING? hOW TO SOLVE THE PROBLEM IF CAPACITANCE LATCHING APPLIED?

2019

Which type of motor is used in trains, what is the rating of supply used explain working principal?

1301

What does bode plots shows?

1182

I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com

1964

Draw a 230kv two-bus bar system showing the following. 1.Two generators (150MW) each connected through one 15.75/230KV transformers 2. 1 outgoing lines 3. Two 230/130 KV transformers 4. BUS PT's 5. CT

2602

What are the reasons for the parallel operation of transformers?

1145

exolain the star delta connection

2692

use of choke in APFC panels

5847

How many devices can be connected in one zone of FACP

2330

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