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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is CVT and what is relation with wave trap?

1212

why do we prefer VCB over OCB? what are the advantages of Vaccum Ckt. Breaker over Oil Ckt. Breaker?

2 6901

Which test will be more severe for VCB?

CPRI, Reliance,

1831

what is the Transformer Impedence?How can calculate?

1022

what is the different beetween kva and kwh?

4 3937

What will be happend if we not ground CT secondary?

Enercon, Engro, THDC,

3 5920

why we cant control neutral instead of phase in single phase?

3 2756

Pls anyone explain me the basics of wiring a house?

3 3021

i am studying in final year can i allowed for 23rd UES of Indian army

TCS,

1224

what will happen if earth of 33 kv cable (earthed system) is not connected to earthing pit?

1150

sir i am ece engineer.i want to job in power plant.what is the best option for me as electrical engineer or instrumentation engineer?pls reply me.

1 2554

IN A HT CABLES i.e. 1.9/3/3 kv, what is the meaning of 1.9 and 3.3.

1 2905

rrb question

996

what is the main difference b/w contactor and relay

Pace Pharmaceuticals,

2 3625

HOW MUCH CURRENT CAN A 3 -1/2 CORE 100 MM WIRE CARRY

Focus Energy, San,

2 6181


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Un-Answered Questions { Electrical Engineering }

my name is venkat .i have good percentage in my academics(ssc 86, intermediate 83 b.tech 73) my question 1..after completion of my ssc i joined in bpc but i didnt got rank in emcet so i completed MPC in one year compartmentally ..so here what am expect question from this background?

1048


What kind of maintenance is conducted for Transformer

1261


why electron produce magnetic field when it is in motion?

1254


What is safety of Ht panel

700


On what cycle does thermal power plant operate?

220






How to calculate capacitor bank value to maintain unity power factor with some suitable example?

210


I use 20 nos led tube 4feet, in pathway 100mtr approximate, so what size cable i use for lighting

608


I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.

946


Why is ignitor used in sodium vapour lamp

2298


what is the correct method for the outdoor termination of 19/33 KV HT cable step by step?

1145


How can I calculate ISF of current transformer?

2261


How capacitor improves pf

761


What is power in wattage of 8.5 TR AC

772


which pump used in STP

1237


can anyone give an idea about dia calculation in cold rolling mill

770