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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

How to calculate the current carrying capacity of electrical cables

Barqaab, Grasim, Havells, HM Cables, Janapriya, Polycab,

16 188883

how to calculate the loss tangent of electrical cables

2027

what is the reactance,capacitance & impedence electrical armoured & unarmored Cables.

2147

why are use star delta startor.

4 18428

why AC cannot to be stored and DC cannot be transmitted?

IBM,

11 38918

what happen to the voltage and current in all phases when an earth fault occur in a phase in three phase three wire system(delta connected)...

1 4999

if we know Fault level say 25 KA , How to decide busbar size for Distribution network of 1000 Amp Breaker ? Sample Calculation or Farmula Available or not ?

TCS,

4 19368

How to select Main CB Rating for 187 KW Load?

6 11135

What is the Surge suppresor? Why using in a UDB's and How it works?

2163

I have 725KVA DG set how to Calculate the Ratio of KWH? Whatb is the Formila

HCL,

7 28279

How to calculate the CFM to TR? What is the Formula

Carrier, Voltas,

12 136719

what is efficient load of transformer in percentage

4 7617

why we use to transmit the power in three phases intead of single phase ?

5 9077

Explain the working principle of Synchronous Generator and Assynchronous generator?

2168

How many Cylinders are there in Diesel Generator?

4 7070

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Un-Answered Questions { Electrical Engineering }

raleigh method

2042

When MICC cables used ?

2016

what is per unit calculation?looking for simple and strong explanation thk u

2528

IN MY SYSTEM THERE IS ONLY OVER CURRENT EARTH FAULT RELAY IS AVAILABLE. FOR THE UNBALANCE SENSING IS THERE ANY RELAY IS AVAILABLE? THE SAME CTs WHICH ARE USED FOR THE OVER CURRENT EARTH FAULT RELAY CAN USE FOR UNBALANCE ALSO?

4045

What technology is used in latest generators?

2066

what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

1973

What is a surge supressor why its is used in synchronous generators

1977

how to caculate cable size for diff types of loads? if anyone know the calculating procedure please tell me

1399

dear sir, i completed diploma in electrical in 2005, how i can get electrical supervisor liance in mumbai

1945

how does it help for selection of a transformer.

1814

Can you please explain creepage distance in detail, for a 6.6kV cable head what must the distance be and how do you determine it?

2835

how do you test tachos and servos

2089

What are the uses of lead compensator?

1131

What is Traction? 1KVA Alternator, How much urrent taken?

2069

what is gas turbine intercooling ?

2058

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