Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how does it help for selection of a transformer.

Reddy Labs,

1 3140

what is the difference between elcb and rccb ?

Trident,

1800

In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?

1608

In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?

1 14309

how can a race around condition be eliminated using master slave flipflop?????

3 33598

What is the formula to find out the kvar required to improve the powerfactor from .85 to .99 at 1500kw, 415v.

Trident,

4 17843

can we find the inductance of a induction motor?

Trident,

1571

What is the winding resistsnce need to be in a 1000kva, 11kv/415v transformer, between ht winding to lt winding, ht winding to earth, lt winding to earth.?

Trident,

1 5161

where can i get vijaya electricals limited in hyderabad interview auestions can u give me the website address plz

1659

is it possible to flow a current between nutral and earth in a circuit? although nutral and earth having same potential diffrence? i=0/r=0A if any body now any solid reason because i am getting a triping problem in rcbo due to nutral and earth shorting???

2 3448

Is there any calculation to find unknwon(unferroled) phases R Y B in alternator,3 phase motor anybody shoot my problem. how can we notice this is the respective phase?

2 3468

if an alternator or turbine using fuel to produce ele energy and we didn't connect load to the ends then where was gone the ele energy

2 3579

Is there any calculation to find unknwon(unferroled) phases R Y B in alternator,3 phase motor anybody shoot my problem. how can we notice this is the respective phase?

3 5124

what is the difference in operation of 3 phase motor when am forward delta connection and reverse delta connection?

Birla,

1 3614

Why frequency changes due to load variation in power system ? i.e why when load increases frequency decreases?

Madina Group,

1509


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Un-Answered Questions { Electrical Engineering }

where the lexical paramater will use in fron end?

1463


what is a composite error in current transformers, why occurs & in which it will occur i.e, either metering ct/ protection ct

1312


help me with the question that might be ask on the interview for technical position

1829


What is the Nyquist criterion regarding control systems?

670


sir i applied for hpcl(electrical).i want to know from which subjects most of the technical que will b asked.and pattern of the written test.pls help me

1491






The series field winding has low resistance while the shunt field winding has high resistance. Why?

1259


What is the power factor of a transformer at no load?

676


How can we calculate cable size in Low voltage & high voltage

1172


what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?

2038


What are the advantages and disadvantages of the dc motors?

640


in ACB breaker requireding 3200Amps. buscoupler getting OFF mode and again it reset and getting normal position give me a required answer?

1861


how did the testing of protection relays done through current injection

1632


What is the meaning of Insulation H for transformers????

1630


Explain thin film resistors and wire-wound resistors

652


DESCRIBE THE CONSTRUCTION ANDOPERATION OF BELT CONVEYORS AND SCR CONVEYORS , DRAW NEAT SKETCHES

1647