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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the stander resistance value between the neutral and earth?

Crossdomain, Sepco,

10 16263

What is the differance between Digital Energy meter & Static energy meter? why the KWH diferance between both meters.

Raychem RPG,

3 17765

What is MPCB, MCCB, ELCB, RCCB ? Explain them ?

2 7365

Is it a better option to procure screw type air compressor rather than reciprocating air compressor?If so, what is the reason?How should we select an air compressor(100 CFM)? Please mention the important parameters of air compressor.

1105

What is the average hieght of a electrical tower? what are the factors that are taken into consideration for deciding its hieght other than voltage level?

1 2287

Why does a TV set have two pin plug whereas the moniter of a computer has three pin plug? Isn't the earthing protection required for the TV set

2 4808

what is the size of ht cable of 33kv ht line and transformers ratings are 2.5mva and 5.5mva.please send formula also.

1 9328

What is the advantangeous over SFU (switch fuse Unit) & FsU (Fuse Switch unit) which one is better & application of Both?

2 22643

What is the relation of current with torque when motor started in Y-connection???

4 3945

I HAVE A 50A MCCB AS PER DESIGN LINE WIRE CONNECT UPWORD SIDE AND LOAD IS CONNECTED TO DOWNWARD SIDE TO THE MCCB.IF NOW ANY ONE CHANGE SUPPLY & LOAD(WISEVERSA) WHAT HAPPENS ? DOES MCCB OPERATION OR WORKING FUNCTION NORMAL IF YES THAN WHY THERE ARE MARKED LINE & LOAD ON MCCB.

HCL, TCS,

1469

what is the working of loss of excitation relay (40G)? how it is work?

1 4501

motor is 12.5hp after starting few minets motot get hot? why?

5 4828

Whatis the procedure for getting Electrical (light) licence while Iam a diploma holder in electrical Engg . I Compleated my one yr Apprentice training & worked as a junior engineer (ele) for 2 yr(contract basis).

TVS,

1 6284

how does circuit breaker works

1 2513

11/.433KV, 100KVA TRANSFORMER is supplied with .433KV AT ITS PRIMARY. HOW MUCH KVA IT CAN SUPPLY

ABB,

7 12195


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Un-Answered Questions { Electrical Engineering }

THERMAL CAPACITANCE IS MEASURED IN..................................................

1267


all the technical question with answers pleas send your email id ramar_eee@yahoo.com

1098


Is the theorem applicable to ac sources?

241


what parameters are should nessary for control technic dc drive(in rolling mills)?

1088


What is relation between transmission lines & Communication lines ?

1331






power transmission pole used one support , that only for support or earthing

996


What is the feedback in the control system?

236


Difference between On Line capacitor and Station Type capacitor.

1209


Either It Possible a dc Motor to Run On Ac Drive [ Ex : ACS 800 , Yaskawa F7 ] If it is Possible How Pls Inform Me dinesh_elect_eng@yahoo.com

1141


Can we use 230VAC, 63A MCB for 120VAC, 63A supplied heaters load?

581


all interview questions with answers of ntpc (2000-2009

1381


What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?

1226


in 1-phase 230v,how in 3-phase 440v. in each phase in between 230v.

1958


Work done in a free expansion process is

285


What is ST and specify its range of voltage.

1092