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 Grounding?

2 5141

how u change the vector group of a transformer like DYN1 to ynd11

2 5964

What are the types of circuit breakers ?

Genco, Super Max,

6 8393

Merits & Demarits of Oil circuit & Air circuit breakers ?

Genco,

2027

Two CTs 1600/1 and 35/1 are in series. while checking the ratio test of a CT(1600/1),same 1600A will also pass through the CT having ratio 35/1. Will it be harmfull to the ct(35/1),if yes , what will happen.CT secondary is shorted

3 7085

what is the function of Droop CT and where it is used?

Lanco,

3 35093

In supply RYB are mentioned. But in transformers, why they are mentioning XYZ?

3 16676

Can we use all 3 cores of a cable to connect DC motor + ve terminal and similarly one more cable for - ve terminal.

2 3961

pls define kvarh

2 6123

What is Grounding? any difference b\w earthing? if yes plz explan??

ABB,

3 7684

What is HVAC, PLS SEND DETAIL OF hvac.

6 8342

WHAT TYPES OF OIL(STRUCTURE) ARE USED IN POWER TRANSFORMER INSULATION?

4 6472

why neutral and body earthing of transformers kept separated? what is distance between two is required as per is?

6 28804

what is the pperating squvance in transmission line for circuit braker, isolater & earthing switch.

2 4602

what will happen if i connect or change line with phase terminal

1 3524

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Un-Answered Questions { Electrical Engineering }

write a c++ code that receives an integer number and display the sum of the number and its revers integer?

1987

ACCORDING TO IEC WHAT SHOULD BE THE MINIMUM HEIGHT OF G.I. STRUCTURE OF CT, PT, ISOLATOR, LA?

2125

What is non-minimum phase transfer function?

1228

Define rise time.

1076

what are the dimensions for 200 kva transformer plinth (plateform),in which pcc m20 is used..

11599

What are the advantages of thermal power plant?

1120

how to calculation increase capacitor,increase power factor for three phase.

2136

what is meant by power and distribution transformer ?

1927

List out the different frequency domain specifications?

1189

300m long and 30kw inductive loade 3phase supply how many size cable required

1385

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

2151

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

2019

How much kv gas generator is needed to run 2 hp and 1 hp airconditioners, plus a refrigerator and 4 Tvs

5090

what is distribution board?

2268

What is slope...? Explain slope 1 and slope 2...?

1547

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