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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,

2050

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

Dalkia,

3 5537

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 3656

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

Dalkia, GSK,

2 7502

do you know measure the earth resistance?explain

Dalkia,

1 4344

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 6141

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

Lanco,

1 4264

why delta delta connection generally not use in transformer

Lanco,

4 9623

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


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

How many types of protection relays are there based on the characteristic?

1042


How to perform a DC resistance test In Alternator and their proceduces?

1688


how does high earth to neutral voltage affect electronic equipment?

1483


what is the function of anti pumping relays? what is KVAR? How it is generated in alternator? What is 3rd Harmonics? What is IDMT relay?

2260


What are the criteria shall be considers for sizing Fuse and MCB? If the rated current is 10Amps what should be the fuse size / MCB Size?

1582


What is the difference between earth fault protection of motor feeder with CBCT and Without CBCT ?

2860


A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.

1275


IF ANYONE HAVE ANY QUESTION ASK ME AT MY MAIL anmol.bhardwaj5@gmail.com

2054


draw singleline diagram of star to delta and dol starters

2214


HI SIR, AM PREPARING FOR RRB FOR SECTION ENGINEER POST. PLZ SEND ME THE PREVIOUS QUESTION PAPERS AND HELP ME. I HAVE NO ENOUGH TIME MY EXAM DATE IS 22ND JUNE.... MY EMAIL ID IS nalla.amarnath@gmail.com

1892


If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021

1116


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

1829


why on axial hitting up of air blast on hydrogen produced in oil circuit breaker,temperature rises of the core of the arc?

1923


Witch do depand of Power factor and theory of power factor?

2052


From past few months I am getting lagging pf even though sufficient capacitors used in circuit. Where is the problem pls answer

1384