Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is mean by STUB protection?

1755

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

Dalkia,

1745

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

Dalkia,

1838

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

Dalkia,

3 4904

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

Dalkia,

1660

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

Dalkia,

1 3318

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

Dalkia, GSK,

2 7003

do you know measure the earth resistance?explain

Dalkia,

1 3979

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,

1794

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

4 5416

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

Lanco,

1 3939

why delta delta connection generally not use in transformer

Lanco,

4 8815

What is Goerges phenomina to start SYCHNOUSMOTOR?

1 3620

why transformer are not used in D.C SUPPLY

5 7408

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

L&T,

2 5995


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Un-Answered Questions { Electrical Engineering }

i am studying in final year can i allowed for 23rd UES of Indian army

1881


Why power factor should not be in leading (capacitive) mode of any load.

6334


transformer spections :: input voltage 0-110-230v; output volage 0-10-12-14v; amp=3A using CRNO CORE, capcaity=50VA primary turns = ? ; secondry turns =?

1854


What are diffrent type of road taxes?

1650


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

864


what is the difference between single ratio, multiple core and multiple ratio, multiple core ? please explain.

1944


Why hydropower is called renewable source of energy?

776


What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ?

1708


What will happen if the voltage in my house drops from 220V to any lower voltage?

1874


What are the protections for safe running of electric generator?

1940


In ht capacitor ckt we are using LBS Panel it having isolator with fuse, one of HT fuse flash over, so what is reason behind this event.

1816


how load of a turbo generator can be increased

1630


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

1838


What are the advantage of free wheeling diode in a full wave rectifier?

854


WE HAVE THE DC RECTIFIER 1500A, INPUT VOLTAGE IS 3 PHASE. HOW TO CALICULATE THE LOAD? 3 PHASE SIDE EITHER dC SIDE. PLEASE SUGGEST ME

1610