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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Can I use RCCB in moisture control device in a submersible pump.

TATA,

2 4782

how the direction of rotation in a dc shunt motor could be reversed?

2 3114

in the exciter the power is feeded from battry or control or whatever.and we need it in the generators for the stating . do we need it in the shutdown also?i mean the exciter>

Shell,

2 3147

What is proximeter? where it is used and why?

1 3463

why protection meter is always connect to star

1 2264

Can we use same copper cable for both AC & DC power.

3 4140

why the earth pin is thicker than other pins in a plug? If it is for reducing resistance, then why the copper earth wire is not so thick as earth pin of socket?

Omax,

5 6604

why voltage will come different in phase?

HP, Vissa,

3 4164

What is the full form of GSL wire

Bhel, GSL,

7 22677

wil a dc motor run without a starter??

MRF,

9 17860

how do we fix the rating of mcb required for a specific capacity of the electric motor

2 4583

if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)

1 2712

Require Generator Capcity ( KVA ) for 3 Phase Motor having 4.7Kw with starting current of 16amps?

1 3212

diff between UPS and inverter?

2 4263

why we dont prefer ac voltage controller instead dimmerstat [if both have same rating] for conducting experiments in laboratories?

1541


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Un-Answered Questions { Electrical Engineering }

can we install HT panel & LT panel side by side or how much clearance is required ?

856


How will polarity test of Dy5 Transformer ?

1536


what r PID controllers?why they r used?what is there purpose?plz Explain in detail

1413


What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer

1251


define superposition theorem thevnin theorem ,norton theorom?

1575






what is the prosses for getting of 33kv licence (i have completed my engineering degree & working in 33kv substation for contract basis )????

1239


Actually I have a doubt on neutral and earth.we use Ac power without taking neutral by connecting to earth,but at that time does it affects on efficiency of any electrical components or no? If yes how?

817


EXPLAIN THE WORKING OF SERIES REACTOR IN HT CAPACITOR BANKS (FOR VOLTAGES & CURRENTS)

7270


what is the difference between directional & non directional earth fault with example please explain.

1146


What is the difference between diesel generator engine with and without turbo charger with the same capacity?

1012


please give me all the Alarm .Trip ,Safety Relays & Conditions of Diesel-generators mail me on ashokbabunhce@gmail.com

1348


what is RFID? thire application;

1367


Can you please explain creepage distance in detail, for a 6.6kV cable head what must the distance be and how do you determine it?

2083


State ohm’s law?

485


Which cable is use for rtcc control panel

1116