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 increase Knowledge Of boliler regarding To Only Electrical Field..

1616

What is the difference between PLC and Embeded system

1432

How capacitor connect in 3 phase supply???

L&T,

1 2589

PAC and simple Ac different

1522

Why High voltage are generate noise ?

1520

what is KA rating and how can we choose switchgears on applications

1446

Why can't we parallel Voltage transformer secondary circuits?

1637

Why can't we parallel the secondary circuits of two voltage transformers?

1532

we have 3.5MVA-11/6KV transformer. how can we calculate earth fault current and NGR calculation?

IGC,

1537

If one ct is reversely connected in Y system what will effect in kwh and kvarh meter?

1 2189

Explain about how is it working Earth fault'relay and wahts the resistance value of earth bed

1535

Earth has zero potential then what would be the neutral potential ?

JLL,

1429

What is the formula for selecting the cabels according to load? How to calculate what sq.mm cabel to be used?

1492

How to select batteries required for ups and the inverter if we Known load? And how AH is selected of battery?

Vodafone,

1454

What is the maximum and minimum rating of UPS?

Indiabulls,

1526

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Un-Answered Questions { Electrical Engineering }

In synchronization circuit what is the function of Interposing voltage transformer(IVT)and Reverse voltage transformer(RVT)

11831

Describe Non I.S. Earth System and why is it used?

1788

in what type of applications v can use q meter?

2144

RESPECCTED SIR/MADAM- I AM PRERING FOR SECTION ENGINEER (ELECTRICAL) RRB CHANDIGARH PLEASE SEND ME SOME PREVIOUS YEAR QUESTION PAPER OR MODEL PAPER.MY EXAM IS ON (30- NOVEMBER 2008).I AM VERY THANKFUL TO YOU. FROM- HARENDRA SINGH YADAV

2100

1.what is the difference between ct and cvt? 2.what is the difference between pt and cvt? 3.what is the difference between relays and circuit breakers?

2758

How to calculate the External Resistance required for 60HP slipring motor in case no any data of the Motor is available???

2061

how to calculate cooling requirement of datacentre from electrical load?

2410

What if high voltage side circuit breaker of a ehv transformer instead of lvcb? Kindly elaborate.

1748

DC transmission

2078

What is the Current equation in series RLC circuits.

1053

What's the difference between non break power supply and non break non short break power supply

1445

What is size 00, 01, 1 etc., in HRC fuse types?

2383

In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?

2097

What is making & breaking current ???

1515

Why are cables rated for 40 KA for 0.25 Sec fault current rating?

1956

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