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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is Grounding?

2 5157

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

2 5987

What are the types of circuit breakers ?

Genco, Super Max,

6 8428

Merits & Demarits of Oil circuit & Air circuit breakers ?

Genco,

2037

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 7102

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

Lanco,

3 35120

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

3 16700

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

2 3983

pls define kvarh

2 6136

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

ABB,

3 7716

What is HVAC, PLS SEND DETAIL OF hvac.

6 8371

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

4 6511

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

6 28854

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

2 4620

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

1 3540


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What is the Resposiblity of Electrical Utility Engineer

2893


what is protection class current transformer.

4215


If we have use two power cable for incomer, that time how many use cbct for earth leakage protection? 1 or 2 if 1 way? If 2 way?

2075


Why two phase welding machine is used instead of three phase welding machine.

1865


What is order of the system?

1074


what is an unbalance in acircuit? in a three phase 3wire circuit how an unbalance will come? in a three phase four wire system how an un balance is coming?

1789


Approach of a cooling tower is the difference between temperatures of what factors?

1093


Why the symbol of register is "zig zag"

1532


What is center gravity load in substation?

2370


Dear friends I want to design busbar for1600 kva transformer(i.e2100 amps) what are all the factors to be considered before selectinga busbar what are all the standard sizes of busbars what is the formula for finding current of copper and aluminium busbar

1843


8. A DYNAMOMETER TYPE WATTMETER RESPONDS TO THE.......

9195


if sf6 gas low in gis what will happen

784


I have two PLC processors. I want to communicate both processor with each other. How i can do so?

2113


How efficiency of thermal plant can be improved?

1164


What do you mean by an instrument transformer?

1040