Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

625

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

759

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

Prozone,

4 15582




cany anyone suggest electrical wesites for providing study materials?

876

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

JSW, Scan Steel,

1 5397

what is the difference between ac and electric

1 1973

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

1 1372

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

717




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?

730

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

2 5673

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

UPPCL, IOCL,

10 32228

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

2 2702

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,

866

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

4 2856

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

737


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Un-Answered Questions { Electrical Engineering }

What is the difference between type1 and type2 relay protection co-ordination for motor feeders

747


What is lighting kitts.

819


why tertiary winding is used in transformer with diagram?

900


The gauge indicates the number of amps, but what about voltage? How voltage rating (for wire or fuse) determined?

646


What is the operating principle of turbo-generator.

868






Metal covered multiconductor cables shall employ a marker tape located within the cable running for its complete length in lieu of cable surface marking. Is it true or false?

822


the typical output of a solar cell is........

1028


any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?

954


how can check the resistance of battery contact?

949


hi friends if you have any 400KV Substation Erection and installations Drgs please send to me.My email id:kandi.suresh441@gmail.com

1562


how to calculate the magnetizing current of ct ( 800A/1A) for Relay 64

257


what is mind in cable

763


how to calulate short circuit current for the following: 1.cable connecting 11KV of 22KV/11KV transformer to 11Kv of 11KV/415V transformer 2.what cable size should i use.

879


If i=10+10sin314t then find the rms and average value of current with explain?

2577


How can we decide cable size from HT panel to Transformer? Please give you reply with some examples.

993