Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What happens to the synchronous generator when reverse power is given to it?

1 2589

If you know per phase current and phase to phase voltage; what is overall KW of the circuit?

ABC, GAS,

1 1901

I want to measure resistance between Neutro and earth conductor for 3 phase Transformer what should i do

1 1506




which type of motor is suitable for water pump?

IIM,

1 3311

what kind of battery is used in laptops

Pepsi,

4 3323

WHEN WE TOUCH THE BOTH TERMINALS OF BATTERY WHY NOT THE D.C BATTERY GIVE US SHOCK SUCH AS A.C SUPPLY?

3 2234

WHAT IS DIFFERENCE BETWEEN POTENTIAL DIFFERENCE AND E.M.F?

2 2118

In separately excited m/c,we excite the field by a dc source,what not with ac source?

1 2117




what are the protections in 132 kv class electrical systems.....? hw u define that in elctrical terms..? . . .pls answr

ABB,

2 2301

WHAT IS THE COOLANTS IN TRANSFORMER?

Bhel,

7 5439

WHY TERTIARY OF POWER TRANSFORMERS IS LOADED WITH EQUIPMENTS LIKE CT,PT,ISOLATOR AND CB

471

What is meant by a linear circuit and what is a non- linear circuit?

5 4057

What is vcb?

3 2040

why high voltage is reqiured or L.T. panels? what type of tests should be taken for electrical panels?

2 4307

What is the accepted limit to increase the choosen transformer capacity over the load and why ?

Asec,

2 1189


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Un-Answered Questions { Electrical Engineering }

what you have to see after one week or month from the day of installation of transformer ?

183


Which contains in POLE ASSEMBLY of a 11KV Kirloskar-make SF6 (Model No-FP620A12)? Will u clarify with drawing?

701


comparision between ACB and VCB

757


why we not used 11kva as a direct our electrnics component.

1248


for 11KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV UG system what will be typical per KM "R" "L" "C" parameter.

715


What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?

485


1. Design a counter which counts 0, 4, 8, 2, 6, and repeats using: 1.a using JK flip flops 1.b using T flip flops 1.c using D flip flops

303


what is meant by rotating magnetic filed

382


Why IR value of the (HT cable Plus synchronous motor) is less while individually having IR values in GΩ?

220


An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The slip when motor stalls is A 1 B 0 C 13.33% D 10.33%

393


how we will deside the high voltage value

421


how we can find of current direction(supply comming/out going direction) when a transmission line passing through sides.

748


what is proper capacitor placement? How to evaluate capacitor size?

664


what is the calculation involved to design the heater to heat 10KL of water in temperature control unit?

495


in power generator normaly voltagr betwween esth to neutral is 0 but my work place generator show the volatge is 60v any body know why? thanks

462