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?

2004

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

Dalkia,

1981

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

Dalkia,

2050

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

Dalkia,

3 5526

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

Dalkia,

1880

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

Dalkia,

1 3646

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

Dalkia, GSK,

2 7491

do you know measure the earth resistance?explain

Dalkia,

1 4335

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,

1982

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

4 6123

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

Lanco,

1 4259

why delta delta connection generally not use in transformer

Lanco,

4 9601

What is Goerges phenomina to start SYCHNOUSMOTOR?

1 4085

why transformer are not used in D.C SUPPLY

5 8327

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

L&T,

2 6586

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Un-Answered Questions { Electrical Engineering }

what material is used in capaciter

1928

hi pal, i am vengatesh from tamilnadu(chidambaram),i have called for the written test for the post of jr executive(ELECTRICAL) of AAI ,I dont know about the question paper pattern,so any kindly help me to face the examination,post me the model question papers and some tips to write my examination to (vengi.annadurai@gmail.com)

1840

how commomn gate triggering is given for TRIAC ? other thyristor wont be efffected?

2385

At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?

1995

Convert a star connected network into a delta connected network.

1071

DEAR SIR,I GOT THE CALL LETTER FROM RRB, SECUNDERABD AS A JE-II SO PLEASE PROVIDE ME SOME MODEL QUESTION AND ANSWER PAPERS AND LAST YEAR QUESTION PAPERS

2016

what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:

1987

Define ampere

1235

wHAT IS CAPACITANCE LATCHING? hOW TO CALCULATE CAPACITANCE LATCHING? hOW TO SOLVE THE PROBLEM IF CAPACITANCE LATCHING APPLIED?

1964

HOW can i REuse the fused MLL LAMPS & GLS LAMPS at our factory

1844

what is POTT and PUTT explain?

3268

In case of salient pole alternator when number of poles are 4 or more than 4 it helps the flux wave to be sinusoid as air gap length is increased from center to tip , but if the number of poles are 2 how does the flux wave is sinusoidal?

1927

Battery is a voltage source? give one example of current source and why?

1541

we use capister for power factor. when we use capaciter in dg circuit than defect dg. can we use capaciter bank for dg circuit

1869

Define the three phase formula fuse.

1822

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