Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

1 2796

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

ABC, GAS,

1 2014

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

1 1645




which type of motor is suitable for water pump?

IIM,

1 3501

what kind of battery is used in laptops

Pepsi,

4 3530

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

3 2573

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

2 2278

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

1 2252




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

ABB,

2 2395

WHAT IS THE COOLANTS IN TRANSFORMER?

Bhel,

7 5668

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

524

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

5 4278

What is vcb?

3 2172

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

2 4759

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

Asec,

2 1281


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Un-Answered Questions { Electrical Engineering }

What type of surgery impedence with 200ohs 

368


If Dg set load increase 25%, How much increase fuel Consumption (15 kva 2 cylinder DG set)

917


How they LT panel busbar size choose

340


suri transmission

2834


regarding safety what would u consider the most important rules to observe when inspecting electrical equipment?

611


how to find the multiplication factor for digital energy meter and analog energy meter

765


How to calculate the Efficiency of Chiller

1916


How PADO software increase the efficiency of power plant?

3979


What are the types of piano switches?

459


What are the types of windings present in the ceiling fan? What winding will be effective first when we started the fan?What are the resistance and inductance ratios comparatively at the initial speed and full speed of the fan?

978


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

760


WHAT IS THE DIFFERENCE BETWEEN AN ACB & mccb 7 WHAT IS THE CRITERIA WHEN TO USE WHICH OF THE TWO

888


For 160kw motor what size of cable and material is needed.?

135


How much ph is maintained of water electrolyte which is used in LRS for 1200 kw slipring induction motor ?

277


what are the standard IR values should be of R-E, Y-E, B-E, R-Y, Y-B, B-R of VCB in closed condition and in open condition for 500KVA & 1000KVA transformers. and what is the acceptable range when tested by 5000V megger.

719