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Electrical Engineering Interview Questions
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please give me all the Alarm .Trip ,Safety Relays & Conditions of Diesel-generators mail me on ashokbabunhce@gmail.com

 1506

we convert 66kv to 33kv then 33kv to 11kv,11kv to 440v.why not we convert directly from 66kv to440v?

HCL, L&T,

7 18410

what is the pre commissioning test to be carried out on LT power panel at site?

 1 12644

Plz tell me how we can find that particular company has vacancy or not

L&T,

1671

HOW WE CALCULATE CURRENT IF THERE ARE NOT PRESENT ANY AMMETER OR MULTIMMETER??????

 1364

In any plant or substation main incommer voltage RY - 415 V,YB - 400 V, BR - 387 V(in commer feed from transformer 11 Kv /0.415 KV) why found voltage differance in each phase? plant have not self power plant it is depend on outsource grid

 2 4338

Here iam a question with SYNCHRONIZATION PANNEL related issue, as i want to design a SYNC.pannel board iam giving the 2 nos of 1MVA Generators to sync pannel , then what wil be the out put of the sync pannel, whether it wil be one cable coems from the sync panel or two cables.. as iam using two transformers to meet my load demand, so pls clear me whether two cables comes from sync panel to connect to transformers or only one cable

3 4073

How to know motor winding is star or delta connected without see the information table and winding connection ?

NTPC,

5 12026

In 3phase supply Voltage will come around 370v then what will happen?(mean what will effect on electrical equipment like AC,UPS,Motors.)

NTPC,

1 2753

my first school?

 1 2891

why there is a phase difference between line voltage & phase voltage ?

 4 5205

can we use optical fibre to electrical power transmission ?

 1 2011

what will happen if i connect the buchholz relay in reverse direction.

MAN,

1 4765

why we are grounding the neutral?

GE,

1 2327

state the functions of different parts of star delta starter.

1 7409

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Un-Answered Questions { Electrical Engineering }

What are the conditions for sustained oscillator or what is backhouse criterion?

643

What do you mean by cogeneration? What its working principle?

2760

can you any one give exact mathematical relation between AC current and DC current?

1385

5.WHICH TYPE WELDING PROCESSES USES NON CONSUMABLE ELECTRODE.........

1694

How do we calculate the resistance per metre of single core aluminium stranded cable 19*3.25mm sheathed in pvc,at 15 deg C temperature?

1934




what is the control circuit for operating the clean room air shower

1723

sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason

1029

what is transient stability analysis means?

1661

What is the previous name of Cox's Bazar

1452

PLZ EXPLAIN CORONA,SKIN,BIRD PALE,SPAN,SAG Effects of power cable.

1525

How to decide DO set rating of Transformer?

1148

what is star delta starter? how it works? give its control and power diagram.

1603

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

1603

how to apply b license to c license in tneb

1328

what are the main applications of transistor in non-linear region?

1438

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