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 is the rating of HT SUBSTATION and LT SUBSTATION?

NTPC, Sail,

11 57048

Assume a condition such that two motors of rating 6.6kv,415v are connected to blower,so tell me which motor draw large current give appropriate reason?

NTPC, Student,

2 7892

What are eddy current and define rms value?

NTPC,

4 11354

Transformer's core is made up of which material and why so?

ABB, NTPC,

10 32094

Draw the line diagram of diffretial relay connected to transformer?

NTPC,

2440

Name different types of fault and which instrument is used to measures earth,short,open cicuit fault?

NTPC, Vijai Electricals,

6 13577

AC current is flowing in a wire in your home how can you measure it(name of the instrument)

NTPC, TCS,

24 28566

How does and Earth Fault Relay operates in DG set control panel?

Cummins, University,

1 6897

1> what r different types of fault in cables? How will u locate and test these faults? 2> why earth wire is provided on top throughout the transmission line. why not only on towers? How much area it can protect? 3> what r different types of transmission losses? How power loss can be minimized? 4> what is the % of power loss on transmission lines?

IOCL,

3 10764

what type of relays used in transformers?

APTransco, BSNL,

24 66021

What will be the capcity of 3 phase DG set require for 25 KVA single phase lighting load?

Supernova,

7 17639

MCB is used for high rating &MCB is used for lower rating.What is technical difference between ACB & MCB?

7 12755

what is MUSS?

HP,

1 13235

what is phase and neutral.

HP, Voltech,

16 65514

what factors to needed while selecting a MCB and MCCB

3 10478

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

in basic 2 phase will short means tripping the power but spot welding 2 phase shorting but not tripping it will welded why.....(Q)

1955

what is lrs tank water resistance.

2546

What is the working principle of MIG welding? and its out put Voltage?

3315

Dear all i am kumaravel. now in chennai. my work is control and relay panel auto cad designing.up to 11kv to 400kv then question is i am improving my knowledge. i want some books name and auther are available for this C&R panel related. plese any one help me

1776

all the technical question with answers pleas send your email id ramar_eee@yahoo.com

2029

What is the role of Dedicated earthing in UPS System?

3101

What are the causes for the failures of sandwich type (Al) busducts?

1864

what is plunger and what's the use of it in motor alignment?

2644

why the value of k is more in shell typr transformers?

2000

What is ST and specify its range of voltage.

1976

HOW DOES THE ELECTRONIC ENERGY METER WORKS?

2168

sir i used 3 hp of motor for spraying pump, other home light and other home items which size of allminium pvc wire ix used

1890

Air circuit breaker safety

1421

As a electrical engineer.. what are the basic norms should follow in transformer oil testing.. 1.What is the Electrode type? 2.How long time you will give for oil testing?

3640

11kV capacitor bank of rating 2.4KVAR, is charged with protective relays of only over current & Earth fault &.......without Over Voltage, Under Voltage & Neutral Displacement Relay. Is it advisable??

1600

For More Un-Answered { Electrical Engineering } Questions Click Here