Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is AMF panel????????

ACC, Shree Cement,

8 59570

what is meant by peak load

2 3029

How can we calculate the cable size??? plz give the formula !!!!!

3 6188




wht is embedded systems? what is new inthis field?

729

why asa method ZPF method is more accurate than ASA method?

3523

What is disadvanage if power factor goes to in leading..?

1024

Disadvantage of leading power factor

3 7799

what is DG synchronization panel plz explain the working!!!!!!!

Lanco, Kirloskar, MPS Techologies, Sedemac,

12 79963




WHY WE CAN GENERATE POWER IN 3PHASE MODE ONLY NOT IN 4 OR 5PHASE

18 11169

why odd hormonics only will effect the power system.why not even hormonics

2 3191

Why 60Hz motor taking more current on load in 50Hz power supply?

1 3482

Explain principle of Soft-starter & how its working???

MAHINDRA,

12 19549

Why i receive the GCU fault in my DG Sychronization panel . what all the factors considered for this fault .

895

what happens if DG N earthing fails while running and N Earthing fails while Transformer on load ???what will be the impact ???????/

2 3264

I need the proper answer on :- What is the Earthing Value as per the standard for Raw power and UPS Pit and in panel /DB N-E value ???

2 3940


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Un-Answered Questions { Electrical Engineering }

what type of earthing do for dry fissure rock?

1270


why do we not use equivalent voltage source in negative sequence equivalent ckt.

861


what is the function of anti pumping relays? what is KVAR? How it is generated in alternator? What is 3rd Harmonics? What is IDMT relay?

1057


How can we calculate the KVA rating of a Distribution transformer from its core details?

850


Why 30kw 40 hp 4 pole 3ph induction motor over heated?any steps on reduction in heat?

412






if i get a drop in my 1st year and the i clear my 2nd year and 3rd year all clear and i dont have any back logs so can i be able to sit in campus selection??

600


Different STANDARDS (BS, IS, IEC etc) gives different informations on CT specification. How they correspons w r t each other (i.e I mean to say BS provides "knee point voltage" but IS does not, then how can i select CT)

720


Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.

737


Which types of gate insttaled in static switch. Please give me answer.

396


how does a submersible pump work..?

684


How cable from Kit-Kat to main switch, from starter to motor are designed?

786


Earth has zero potential then what would be the neutral potential ?

170


Please clarify, 1. Is it required to lay two runs of GI wire along with Armoured LT cable if it is laid between one big mains (63Amps TPN SDF) to small main (32A TPN SDF) with proper glanding termination? 2. If the armoured cable with proper glanding is laid from DB to CNC machine, is it required to run two runs of body earthing to the Machine from DB? 3.If the armoured cable with proper glanding is laid from Substation to Hangar, distance is approx. 100 mtrs, is it required to do earthing at shop area though the primary termination at substation is earthed through gland.

845


What should be the amps for a MV fuses for transformer 630kVA 20(10)/0.4 kV

824


What is the general power consumption rating of CPU CRT type and Flat type, Monitor,Printer, projector, Scanner?

700