Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is mean by STUB protection?

1698

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

Dalkia,

1656

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

Dalkia,

1767

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

Dalkia,

3 4680

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

Dalkia,

1601

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

Dalkia,

1 3225

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

Dalkia, GSK,

2 6829

do you know measure the earth resistance?explain

Dalkia,

1 3896

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,

1746

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

4 5248

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

Lanco,

1 3826

why delta delta connection generally not use in transformer

Lanco,

4 8641

What is Goerges phenomina to start SYCHNOUSMOTOR?

1 3494

why transformer are not used in D.C SUPPLY

5 7231

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

L&T,

2 5876


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Un-Answered Questions { Electrical Engineering }

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

1724


difference between crane drive and line drive.

1531


what mean by analog ,digital,numerical meters and relays? say the example?

1908


What Should be the value of Vector Surge angle at Tripping and how to calculate it?

1714


what is is the potential diffrence between two phase ?

5672






what is kvarh? Please define it With calculation General motors ?

853


why swinburnes test cannot be performed on series machines?explain

1958


what are problems caused by the pdu in rack server

1611


What is inverse definite minimum time lag relay? Where is it use?

2448


when we decide to use soft starter drive or vfd drive in mcc to operate apump?

1647


why starting current is high and resistance is almost 0 during the starting of motor dc motor...?

1387


What is s-domain and its significance?

859


while doing high voltage test on 11kv/433 distribution transformer why we only give 28 kv on hv side and 3kv on lv side for power transformers what is the value what factors it depends

2518


what is value of Jin transformer

1784


Why did lightening arrestor solid copper rod head is sharp on mobile tower top?

1675