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 diffrent between ups and inverter

ABB,

2 5391

difrent between vcb acb sf6 and mccb breakers

DMRC,

1 5443

what is diff btw electric,magnetic & eletromagnetic field

Senthil,

2132

how calculate the electrical load for industry and office

2 9332

What are the types of piano switches?

2039

What are the specifications for getting approval of Substation?

1934

During underground cabling in landscape area what did we cover the cable with to prevent the electric shock & protect the cable?

1879

According to conduit size which size wiring & how many wires can we provide wires in conduit & how can we select conduit size accordingly?

1903

(In MEP services) HVAC in AC Plant room what else can we provide if the chiller is not considered?

2047

what are the reasons for overheating in electrical machines?

3 5382

Difference between hopkinson and swinburne's test

1 13641

What are safety features considered for Lifts during emergency?

1 2597

In Plumbing services What are accessories we consider for a bathroom?

1998

What is the minimum underground tank size capacity considered for firefighting purpose?

1962

In MEP Services what are parts of STP and what are there function?

Tenon,

3556

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Un-Answered Questions { Electrical Engineering }

what is meant by brushed alternator & its working principle ?

1927

How to work definite,over pluxing,revers power,OSR relay

1797

HI SIR, AM PREPARING FOR RRB FOR SECTION ENGINEER POST. PLZ SEND ME THE PREVIOUS QUESTION PAPERS AND HELP ME. I HAVE NO ENOUGH TIME MY EXAM DATE IS 22ND JUNE.... MY EMAIL ID IS nalla.amarnath@gmail.com

1943

How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.

2098

Dear sir, I have completed DECE in the year 1995. I have work experience in HT and LT LINE more than five years. Now i am doing BE in EEE from rajasthan university. After completion of BE,can i apply "C" Licence sir? Please reply.

1914

How do you select the pickup value of the relay?

1334

how to carried out tan delta test in 11 KV alternator ?

3073

How the capacitance og capacitor volatage transformer is decided?

1970

can anyone please help me to find the rupturing or breaking capacity in KA of circuit breaker (MCCB,VCB,ACB etc) of HT and LT side of a distribution transformer...please help with detailed step by step answer...thank you

2011

I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

2227

3phase motor can be used as a Prime mover for alternator.

1603

The power supplied to a 33microF capacitor from a 120V, 60Hz source will be

2156

if we have 320KVA Genset kindly advice how much load we can put it.

1531

Assuming that a dedicated neutral earthing transformer is provided for each GT generator, when the two generators are running in parallel, has consideration been given that the earth fault current from one generator stator winding be split between the two neutral earthing transformers? If so, what adverse impact will this have on the operation of the 59N and 27TN devices?

1663

Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?

1831

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