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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what are the protecyion of transformer & generators

 1472

what is the dedicated earthing

Reddy Labs,

1 3652

what should be the resistance valve of healthy earth pit

Reddy Labs,

1 4233

what is the responsibility of C license holder in industry?

 8551

why capacitor do not switch ON the DG power? (I had checked, capacitor ON in DG power that time current rating was reduced.)

 1 2851

why is neccessary Tap changing of power transformer with in a certain time

 1 2568

132/66kv sub-station procation ?

1722

Why we use circular(Stepped) cross section in transformer core?

 1764

Why we use mostly circular coil in transformer? not square or rectangular type of coil.

 4 13594

WHAT IS SUBSTATION & ACCORDING TO VOLTAGE HT,EHT SUBSTATION EXPLAIN IT

2697

what is slip?

 3 5106

what is necessity of using isolation transformer?

NTPC,

4 5685

1.What is isolators and bus bars?give answer in details

 2 3184

In Star type and Delta type Motors, If one phase will miss/Break then which phase winding will burn and why?

 4 4900

How Many safety of Air circuit breaker

 2 4215

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Un-Answered Questions { Electrical Engineering }

how are reversing the direction of dc motor

1205

Define load factor?

647

EXPLAIN USE OF ROCKING ARRANGEMENT IN ELECTRIC HEATING?

1387

Whether amorphous core transformer is commercialized or not:Name of company making amorphous core transformer and what are different rating?

1357

What is effect of harmonic current (Draw by VFD) on power system/ electrical Equipments ?

1651




When a single pase capacitor run motor- run on 230vac and Case(1)run with 8 Mfd 250 vac.capacitor , Case( 2) run with 8 Mfd 400vac capacitor. What is difference between both case regarding power ,efficiency etc?

1656

difference between the applicability of nortons and thevenin theorem

1562

can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.

4468

we are having 15kw and 3kw motor both can run in same time , instead of using copper we are using ug aluminium cable , 35 sq.mm is suitable for its current carrying capacity..?

1329

ANY ONE TELL ME ABOUT generator synchronization panel panel to synchronise 3 gen of 250kva both automatic and manual. 2 gen output vol 415 3ph, 1 gen output vol 400 3ph SEND THE DETAILS DIAGRAM ON THIS EMAIL ADDRESS ayazleo@hotmail.com as soon as possilble best ragrds electrical engineer ayaz mahmood SAUDI TECH

3713

what is the clear formula to calculate cable size for a load

1484

I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???

15197

what is the meaning of WYE and DELTA in Electric meter?

3348

What do you mean by transformation ratio of instrument transformer?

636

where rlc series ckt used?

1784

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