Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What are the electrical engineer roles and responsibilities in chemical plant?

1684

what is difference between line differential and transformer differential?

L&T,

1736

As we know multiplicity factor derivation equation is as below MF = main c t ratio / main p t ratio * meter c t ratio / meter p t ratio * meter dial constant Where in digital meters for HT kwh import export now a days meter constant are calibrated already which is 1 So my question is For HT 11kv 110 v line values are as below Main c t and p t ratio are 11000 v and 110 v and 20/5 means 20 amp and 5 amp Now meter values are 11000/√3/110√3 and primary and secondary amp are displayed as -/5 amp on kwh meter so what will be the MF for this meter ?

NEPC,

1 2591

why cable i burning without tripping. how can protect led street lights

Cosma,

1581

why a single phase induction motor has poor power factor

1744

why ht cable end termination don't have a gland?

Private,

2944

What is the relation between frequency and motor rpm?

1860

why burdens of VTs is more than CTs?

1792

what is the impedence

Al-Othman,

1 3405

what is difference between 9kv 5ka surge arrester and 9kv 10ka surge arrester.

Voltamp,

1855

what is the use of current transformer in power transformer secondary side.?its connectyed in WTI

1727

Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?

1493

what is the meaning of osr in transformer.

2147

What is different between Circuit breaker and Isolater?

1811

why genarator genarating voltage 11 KV?

1787

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Un-Answered Questions { Electrical Engineering }

Sir, I have applied for the of Jr.engineer(Electrical & Electronics) & ASST. LOCO PILOT at ALL RRB BOARDS. please send me all RRB Boards solved papers in the year of 2001 tO till date. i requested send me the papers to my id as soon as possible (jet_0991@yahoo.com). (This is very urgent) Thank You,

1845

how to calculate single phase motor efficiency ?

2209

we have an energy meter in a capacitor bank panel, So should we consider it's readings as energy consumption on daily basis. (when capacitor bank doesn't have any energy losses)

2433

What is electrical cable termination

2628

What is meant by control system?

1186

Operation carried out in thermal power stations?

1145

Name the component u would expect to find in a switchgear assembly?

2032

A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????

2265

how to identify conection leads of an unknown electric motor

2148

In vapour absorption refrigeration machine fluids used are

1234

What is meant by reactance voltage?

1137

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

2272

In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?

1226

what is the function of bearing in dc mchine" and where it is placed

2582

In electrical what is earth(ground)connection, wht is the importance of it, why it is recomended to maitain below 3VAC between Neutral and earthspecially in PLC used machines?

2216

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