Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how does it help for selection of a transformer.

Reddy Labs,

1 3169

what is the difference between elcb and rccb ?

Trident,

1820

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 ?

1633

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 14345

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

3 33678

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

Trident,

4 17943

can we find the inductance of a induction motor?

Trident,

1590

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 5197

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

1678

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 3490

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 3500

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 3621

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 5182

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

Birla,

1 3645

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

Madina Group,

1528


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Un-Answered Questions { Electrical Engineering }

why actual valve timing diagram is different than ideal valve timing digram of a 4 stroke engine?

5101


How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?

1802


Define damping ratio.

822


what are the different kind of cables used for transmissions?

764


where does 22kv line starts

2713






what is the use of current transformer in power transformer secondary side.?its connectyed in WTI

1279


what is the series parallel connection of capacitors? and how can we use these application in three phase motors for controlling torque?

1619


hello everybody. what does an abnormal stator winding impedance or dc resistance show? thanx

1506


IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.

1912


Why back emf used for a dc motor? Highlight its significance.

737


In a Impedance Based Distance Relay (Quad Characteristics) - Could there be two different Line Angle(RCA) for Ph-Ph & Ph-Gnd? If So Kindly Let me Know.. Where, What are the advantages of the same?

1000


Define norton equivalent circuit?

654


What are the functions of different probes used in cro?

721


What is meant by reset level of the relay?

718


what is allowed value of zero sequence impedancce of 6.6 kv nuetral earthing transformer ?what is the actual value

1693