Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is mean by STUB protection?

1571

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

Dalkia,

1521

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

Dalkia,

1626

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

Dalkia,

3 4321

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

Dalkia,

1465

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

Dalkia,

1 3017

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

Dalkia, GSK,

2 6500

do you know measure the earth resistance?explain

Dalkia,

1 3665

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,

1608

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

4 4889

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

Lanco,

1 3560

why delta delta connection generally not use in transformer

Lanco,

4 8086

What is Goerges phenomina to start SYCHNOUSMOTOR?

1 3248

why transformer are not used in D.C SUPPLY

5 6622

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

L&T,

2 5559


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Un-Answered Questions { Electrical Engineering }

Explain thin film resistors and wire-wound resistors

633


what is under coal gassification?

1624


what is basic difference betmeen normal & flame proof motor??

1474


WHATIS TIME CONSTANT? WHATIS ITS SIGNIFICANCE? ILLUSTRATE THROUGH EXAMLES.

1665


if we have 320KVA Genset kindly advice how much load we can put it.

1010






Why using synchronising methed in DG's sets?

1715


What will happen if we introduce negative feedback to a control system that uses a positive feedback?

672


why is using sensor?what is differece between photoelectric and proxmitty?

1520


in control scheme dc logic wiring commonly using negative loop,what is the reason?if we use positive looping what will happen?

1854


What is “pu” in ee?

640


what is strip power factor?

1632


What are the conditions to be satisfied for parallel operation of dc generators?

617


what is the difference between online & offline caliberation of KWH meters. Can Digital meters be caliberated

1513


State the frequency for rc phase shift oscillator?

580


what happen as when voltage drop(or may decrease) ? in case of atomic base theory?

1537