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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what should be the ideal gauge of wire (In sq mm) for different loads in Ampere?

1441

write down the formula of cable size in RM if current is 50Amp.

1341

What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.

1347

my question is how to answer the question "you are from b.tech eee background and why do you want to go for banking

1337

what is feeder bay?

1597

What is difference between insulating medium and fault current interruption medium in a switching device.

1655

What will happen if the armature resistance is in minimum position and the field resistance is in maximum position while starting the motor

Viva,

1616

what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.

1458

11 kv input, 66 kv input advantages

1394

What is CCM in Electrical ? where can we use this material?

1459

for what purpose the star point is done in ct

1416

can we install LT panel & HT panel in one room?

1 2817

can we install HT panel & LT panel side by side or how much clearance is required ?

1594

what is resver in electrical enginnering with answer

1715

surge tank, hrc fuse, earthing transformer, firm power objective type

1639

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Un-Answered Questions { Electrical Engineering }

Why efficiency in thermal power plant is low?

1117

some time we open engine breaker 8.0 MW load but plant not trip. and another time engine open 4.0 MW load engine trip why? individually engine breaker open & individually emergency stop why difference?

1761

How impulse levels are calculated that for 11kV impulse is 75kvp, for 24kV impulse is 125kvp ?

2000

What is the physical significance of phase.. i.e. what is exactly the meaning in layman's language.. 1 phase, 3 phase etc ???

2169

what is calculation mathod/formaulla for deciding Size of busbar (Copper/ aluminum)for L.T. panel on Various Fault level like 50kA,25kA,10kA

2799

how you configure motorvision relay (L&T make)from DCS

4895

why electronic instruments is more favorable than electrical?

1973

What must be the distance between the Earth pit which are grounded from two different sources. Example: Distance between the earth pit for LV Panel-1 & 2

2076

how single phase preventer works ?

2535

How to Calculate KA Rating of Main LT Panel

1750

Which Class insulation is prefered for the sandwich Busducts ? Why?

2031

Define Electrical Insulation and examples of Solid,Liquid and Gaseous insulating materials?

1758

sir am giving jspl exam on 19th oct . i belong to eee, so plz send previous question papers ..........to dis id abhilash203@gmail.com

2570

what is meant by poly phase induction motor ? how its operating by single phase or three phase?

2157

why to use freewheeling diode ( diode in revers bias mode) across dc coil

5021

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