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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why DC current not used in Transformer action?

Engineers India Limited,

17 23907

What is the difference between AC Drives and DC Drives?

College School Exams Tests, La-Gajjar Machineries, LG, Schneider, SMEL,

14 95475

WHAT IS THE MEANING OF BALANCED / UNBALANCED IN STABILIZER TYPES.

2665

where we use zero sequence current transformer or core balancing ct.

2 14336

how does relay works?

16 19884

how to calculate the KVAr for an motor for improving the PF

3 19057

Explain how Hormonics will effect the Electrical System?

5 11813

what is the use of neutral?

IOCL,

14 22545

What is the difference between Earthing and Neutral?

13 27612

What is the difference between "Earthing" and "Neutral"?

Power Grid,

10 16346

What will happen if we parallel two transformer with different %impedace?

3 8277

what is the meaning of servo motor. In trains, what type of the motors we are using at the bottom of each compartment

5 9950

why a pure inductive circuit has zero power output?

8 19782

1. Why a DC motor starter is called 3 point starter

ABB, CG, College School Exams Tests, Crompton Greaves, Infosys, Siva,

21 80852

Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.

TATA,

2055

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Un-Answered Questions { Electrical Engineering }

IF I KNOW THE AREA OF CROSS SECTION OFTHE WIRE , WATTAGE OF THE LOAD ,VOLTAGE SUPPLY WHAT IM GIVING TO THE LOAD AND ALSO POWER FACTOR OF LOAD ....... SO GIVE ME FOR WHAT AMOUNT OF CURRENT I SHOULD USE WHICH TYPE OF CABLE?

1899

Does the direction of rotation of d.c. Shunt motor would get reversed if the armature current and field current both are reversed?

1156

How I can Compare 120v/60Hz versus 220v/50Hz ? Please tell me both advantage and disadvantage ......

2026

Explain the working principle of Synchronous Generator and Assynchronous generator?

2246

In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???

2522

how we do Vector group ,magnetic balance and tap changer test in Transformer?

2471

what is the difference between unarmoured & Flexible cable? How to identified?

6212

How we calculat the NGR of 3phase Generator, Our generation voltage 11KV

3311

can u please mail me the syllabus for GET exam for damodar valley corporation?

2074

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

2587

how we can set the IDMT relay.

2215

what are the basic insulation levels & what its Unit

2019

Mention what are the different colors on wires indicates?

1277

draw the block diagram of fire alarm?

5422

Why is negative feedback invariably preferred in closed loop system?

2310

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