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Electrical Engineering Interview Questions

how to measure the current by compact digital equipment with dislay which fit inside any equipment

1015

hai friends i have BSNL JTO exam on next month so if any body have model question paper or give preparation tips to my mail id kumar4486@yahoo.co.in this will helpfull for my future .plz & thank u by kumar

1099

If excitation will increase, then what will be the effect on power factor? Will it decrease or increase?

18925

cany anyone suggest electrical wesites for providing study materials?

1215

what is the formula of knowing the clabe size on any load?

6200

what is the difference between ac and electric

2464

if 300 hrs not comleted at wat interval b.c,d checks og take place

1784

please forward me the type of questions which would rise while me attending to 33KV Electrical License to my mail ID:vadrevu_raghava@yahoo.co.in

1114

While testing the value of the resistance for the earthing rod, two auxillary rods are connected to the earthing tester.What is the working function of a earth tester?

1070

explain why the secondary terminal of current transformer should not be lift open circuited.

6621

explain why tap changer is always connected to high voltage winding side of the transformer.

37405

what will happen if a cw rotating altenator being synchronized to ccw rotating altenator

3356

Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

Bhel,

1329

Need help. 3 phase system. Neutral line arced and melted upon connection of connector with 3 phase power. Why would that happen?

3583

i have seen one 8.4 MW synchronous motor in a plant located in bellary it is fixed with brushless rotary rectifier ,anybody can explain its start up principle

1078

Un-Answered Questions { Electrical Engineering }

RESPECCTED SIR/MADAM- I AM PRERING FOR SECTION ENGINEER (ELECTRICAL) RRB CHANDIGARH PLEASE SEND ME SOME PREVIOUS YEAR QUESTION PAPER OR MODEL PAPER.MY EXAM IS ON (30- NOVEMBER 2008).I AM VERY THANKFUL TO YOU. FROM- HARENDRA SINGH YADAV

1186

1.What is the range of stator resistance of 3-phase induction motor? 2.Two electrically operated vibro motors are foxed in parallel direction in vibrating feeders. what is the direction of both vibro motors?

1041

What will be electrical cost per sqft for IT building (basebuild and fitout)and for residential township?

997

Explain about 3 phase motor fault current calculation with examples?

1971

what are the types of electromagnetic forces developed in practical transformer?

1689

in dc series motor if field wdg is shorted then

996

What is power factor why we should maintain the power factor unless what will happen

748

I have experienced electrical maintenance HT ,but I completed be ECE ....can I apply c license or not ???? Pls help me friend s...

697

Why arc quenching is used in Diode ?

1150

Differentiate between Zero and Negative sequence current

1024

why normally Generator rating are between 11Kv to 22Kv?

2809

How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

1132

if flux and load static in dc motor and supply voltage increases 20% then what happened in speed

974

What is depreciation factor?

1266

How much no load current of synchronous motor

1171