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 is mean by STUB protection?

2013

what is the function of statics switch in ups and tell me parts

Dalkia,

1989

which is chemical used as in ro water what is difference betweeen multi grade filter&dual media filter

Dalkia,

2051

why trasformer rated in kva why should have to maintain pf in our site 0.9

Dalkia,

3 5539

which pump used in WTP explain the function of VFD how to dtermine capacitorbank of capacity one plant

Dalkia,

1888

whydoes the p.f of diesel generator always be 0.8 explain how will you determine the shortcircuit capacity of network

Dalkia,

1 3657

what is the difference between DOL starter&star-delta starter& automatic star-delta starter

Dalkia, GSK,

2 7503

do you know measure the earth resistance?explain

Dalkia,

1 4345

how much mininmum length required to conduct a DC Hipot Test on 33kV AC Cable with 45kV DC? Is it 20meter or Less then 20?

ABB,

1988

3phase 4 wire system is more reliable or 3 phase 3 wire systems?

4 6143

what is the clearances between phease to phease & phease to earth in 400 kv transmission line?

Lanco,

1 4265

why delta delta connection generally not use in transformer

Lanco,

4 9624

What is Goerges phenomina to start SYCHNOUSMOTOR?

1 4102

why transformer are not used in D.C SUPPLY

5 8348

how to calculate short circuit calculation of the transformer by usuing the percentage impedence? formula needed.

L&T,

2 6600

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Un-Answered Questions { Electrical Engineering }

11 kg trivevter meter has rating of -/5amps. And pt ratio11000/110v and is connected with 11kv ct/pt unit of cr ratio 75/5amps. And pt ratio of 11000/110v while checking accuracy of meter with HT Accuchek meter what value of PT ratio and CT ratio to be filled in Accuchek meter

1887

Is any generator is developed which is operated with out diesal or other expensive source?

2071

Diagram and details of polarity test for Current Transformer 11kv 400/200/100/1A

2992

What are chief characteristics of state-space method and its techniques ?

2114

what is the string efficiency

5159

what you have to see after one week or month from the day of installation of transformer ?

1677

What are the three major categories of error?

1175

what is circuit recombiner and how it is different from circuit breaker

1829

How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

1959

Can anyone explain me about the capacitor calculation

2139

what is the minimum clearance between a 11KV 150KVAR capacitor cell and series reactor.can a series reactor can be mounted in the same structure of the capacitor cells structure

2173

How to find out damper winding failure for synchronous machine?

1461

what is the voltage between earth & neutral in 3 phase electrical connection.

1907

How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?

2648

What are the two segments of nyquist contour.

1061

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