Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why battery is connected in series?

HP,

10 16978

what is isolation Transformer?

HP,

8 12770

I WANT TO KNOW LONGFORM OF CT/PT USEDIN POWER PROJECTS OR HT SWITCH YARD.

7 15510

What willbe change in programming when we use 5/3 solenoid inplace of 5/2 in operating of a cylinder?

ITC Infotech,

2057

What is the difference between SSR drive& AC drive?

ITC Infotech,

1 7566

Alternators are invariably star connected why?

4 10043

i need to give section engineer (electrical engineer) for RRB. Please suggest some book

1864

why secondary of open delta pt (two element pt) centre tap is earth what happen when this earth is removed

Essar,

1 6397

what is the difference between AC choke (inductor) and DC choke (inductor), working and design point of view?

Electrotherm,

2 25798

how snubber circuit works to protect switching devices?

Electrotherm,

2 6615

i have 28/32 MVA power transformer with 11/6.6 KC voltage rating and 12%impedance.it have star connection at both side.but it have another thied winding tertiary winding.what is used of this winding. pl tell me

7 10852

we change the speed of the synchronous motor by incresing or decreasing a rotor resistance

1 3593

how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.

Bhel, Indorama, Power Grid,

1 6863

As per IS why should the control be taken only from R phase, why not from B or Y phase??!!

2 6324

three phase 180kva diesel generator can take how much load in amp and what is formula to get this?

lenovo,

13 62208

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Un-Answered Questions { Electrical Engineering }

how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt

1967

Can anyone tell me some hints about what type of questions are asked by the interviewer by an Electronics engineer when company is installing an IPP and wants a team of engineers?

2195

What are the different losses In a de mac1une'! t.xplam

2745

If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

2221

What is a signal flow graph?

1076

I HAVE BEEN SELECTED FOR APGENCO A.E(ELECTRICAL) 2008.HOW MUCH WEIGHTAGE FOR INTERVIEW AND WRITTEN TEST.HOW I HAVE TO PREPARE. PLEASE GIVE INFORMATION IF U KNOW.WHAT ABT G.D THIS TIME.CALL RATIO 1:2

2923

Define active and passive network?

1143

what do u understand about FACTS? how they are useful?

1989

what purose of the double circuit transmission line phase of the line phase changed for circuit-1 for Circuit-2 R-Y-B B-Y-R

2281

what happens to the water pump if ground water level is slowly decreasing?our water pump is varying from no-load full-load due to this problem

1668

Is there chopping current in resistive circuit

1955

sir i applied for hpcl(electrical).i want to know from which subjects most of the technical que will b asked.and pattern of the written test.pls help me

1941

pls tell what are doing the three phase motor star and delta connetion with circuit diagram and control wiring .

2005

how much allowable resistance that can be difference in motor all coils?

2337

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

1889

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