Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Send me Model Question paper for the post Scientific Assistant in NPCIL

6849

dear sir/madam i want to get some knowledge about RRB EXAMINATION(section engineer) 1- what is minimum cut off 2- wht portion is major portion . 3- can any body provide Sample paper. thanks & regards ashish

RRB,

729

how can we know cable size for a given current? if any one have catalogue plz mail to vijay_raju369@yahoo.co.in

5 19873




what is mean by derating factor?

Essar,

4 16009

why in three phase 440 circuit in all phase current is almost equal L1-35 A,L2-34 A ,L3-31 A but in nutral when i check with clamp meter it shows 25 A?

OPS,

4 8175

What is meant by Active and reactive power?

Micron Electricals, SVIT,

8 8474

What is meant by Active and reactive power?

Torrent Power, Schneider, College School Exams Tests,

23 88591

why for transformer protection we protect tranformer from 3rd hormonics and 5th hormonics and what is the reason of generating these horminics in electrical system?

Essar, OPS, LG,

2 6097




what is difference between start imitation and start interlock for 3 phase motor protection ?

OPS,

2 5078

1.Whats the use of GNAC(Generator Neutral Accessory Compartment) 2. why generator or any other system require Neutral Grounding and not Phase grounding 3. what happens if any one of the phase is grounded. 4. if 15kv is grounded directly what will happen, why it should not be grounded like that 5. use of of NGTR(Neutral Grounding Transformer and Resistor) for grounding is helpfull and how

CSS, Powergear, BEMCO,

5 16838

what you mean by frequency of an igbt& how to find it?

1 1575

what is suitable alternative for an igbt?

4 5055

i have interview in Pepsi company what type of question will ask please send the question and answeer

Pepsi,

2048

hi frnds can any one help me ? plz send me placement paper of hpcl of Electrical streem .... plz send ....its urgent . The hpcl test is on 17th feb.

1 1907

Why are you like to join it job as a electrical engineering student?

Bhushan Power Steel,

4 4950


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Un-Answered Questions { Electrical Engineering }

How many double suspension hardware fittings are required on a double circuit transmission tower?

569


what material is used in capaciter

617


we have 15 ampere variyac but we want 30 ampere variyac what we do

449


Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.

1044


Is there any Electrical supervisor license which gives permit to work whole India rather than individual state??

577






what is W.T?specify the acceptable range?

574


what is spadar bar .why I use in DC generator.

535


lorteny method

698


WHAT IS THE MEANING OG (li = 7 In)

503


how do i work out the Amps of a incommer if i am running 1 37 KW motor and a 0,75 KW motor and some solinoids

633


what is the control circuit for operating the clean room air shower

848


can we start slipring motor on star delta like we start induction motor ? if yes where will we connect ?

680


The advantages of Magnetic flux leakage technique over Ultrasonic technique for non distructive testing of material.

654


How can ou verify the size of conductor 50Sq.mm ACSR

526


Explain (in simple ) - root mean square. whats its role in electrical fundamandal.where its used

929