Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the value of 3 phase voltage?

RECPDCL,

7 3338

why do we need a 4th wire in 3phase 3wire transmission line

6 3706

What are the limiting factor for controlling maximum hot point temperature within a hydrogen and water cooled generator?

1 1402




resistance of transformer oil=?

HCL,

1 1585

What shall be minimum thickness of firewall in between two transformers and which code specifies it ?

1 11467

Three phase star connected PT transformer primary side one phase fuse is blown what will be the output in secondary side(Secondary side also three phase star connected)

1 1175

Three phase star connected PT transformer primary side one phase fuse is blown what will be the output in secondary side(Secondary side also three phase star connected)

Sun Pharma,

2 3757

what is the internal working of star delta starter

632




in a plug point why the hole size at the top is large?

TCS, Bhel,

9 6269

what is 'A' Check & 'B' Check ?

2 1520

What is single break or Double break related to MCB?

2 2232

How to convert KW to KVA or KVAR OR kvar/kva to kw?

8 44439

open circuit test when performed on double the voltage & double the freq, then what will happen with p.f and current magnitude?

Aarti Drugs,

426

what is an S.C.R. and how do they work?

GE,

4 2759

How line capacitance & line inductance varies with increase in height tower.

789


Post New Electrical Engineering Questions






Un-Answered Questions { Electrical Engineering }

What is a difference between indoor transformer and outdoor transformer of same rating

589


Slip at maximum torque depends on A rotor resistance and reactance B stator reactance C load current D stator resistance

427


In electrical what is earth(ground)connection, wht is the importance of it, why it is recomended to maitain below 3VAC between Neutral and earthspecially in PLC used machines?

577


who can measure the size of power cable?

477


Explain Random and Deterministic signals?

231


What is the exact minimum vale of voltage between an earth and netural which can damage or can do malfunction of the electronic equipments ? If this is mentioned in any book, pl.give reference.

649


In a single how much maximum current and watts using

464


How to get Electrical Supervisory Licence in chennai Tamil Nadu from TNEB. I am BE EEE graduate.

1650


During Testing of Maintenance Free Earthing, How deep should be the Spikes of Earth Test Meter should be inserted in the soil(one spike is 15 Meter & Other spike is 30 Mtrs away from the Main Earth Electrode. Because, recently, we observed that when spike is inserted 3-4 Inch in the earth- results are better, If spike is inserted 1 feet deep than results are increasing.

348


What is clock position of Transformer?what are the clock positions are there?and what is different of them?

1152


How to calculate that clean water supply in one Day from 150 KLD STP?

448


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

278


can any one tell me about the Extra low voltage systems?From where we give supply to these type of systems??

511


What is the unit audit? if our Max demand is something and we found much more unit then how to improve our max demand?

154


how rectifier transformer work in electroststic precipetatore(esp?

890