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 189324

how to calculate the loss tangent of electrical cables

2075

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

2201

why are use star delta startor.

4 18571

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

IBM,

11 39259

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 5057

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 19524

How to select Main CB Rating for 187 KW Load?

6 11325

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

2206

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

HCL,

7 28518

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

Carrier, Voltas,

12 137154

what is efficient load of transformer in percentage

4 7753

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

5 9249

Explain the working principle of Synchronous Generator and Assynchronous generator?

2246

How many Cylinders are there in Diesel Generator?

4 7199

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Un-Answered Questions { Electrical Engineering }

why current flow to the opposite direction of flow of electrons???????????

2163

Should power factor be low or high?

1178

What are test signals and their significance?

1133

what is the safety of voltage power transformer(2250KVA0

1988

What is the basic principle of welding process?

2146

how can i improve the power factor in domestic (230v)

2064

impliment (AB)`+C to transistor representation

1838

how to handle 2500 kva transformar

1630

Why frequency changes due to load variation in power system ? i.e why when load increases frequency decreases?

1909

how is the incoming cable size calculated for a given current rating of a panel??

1934

how to get electrical supervisour certificate in gujarat

1962

which type of motor is used in automatic swing gate

2010

what is the major difference between LIBBP & HIBBP.. which one is most preferable..

2984

whats the existence of reactive power and when it arises?

2130

How to set a Zone 1 distance relay for distribution feeder?

2016

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