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Electrical Engineering Interview Questions

how net resistance islow in star connection and viseversa in delta connection...? if anybody could explain in detail it wud be helpful.

969

All the socket in a room become very hot, the Wall was also became very hot and the earth conductor also became live, what in your view might be the possible causes?

1042

As we know diode work on both negative and positive but converting ac into DC we have to given a/c from negative of diode or positive side.please give me answer.

cpgn,

994

Which types of gate insttaled in static switch. Please give me answer.

cpgn,

965

How to calculate the size of cables (all minium/copper) for a particular load

1971

Can we use 1.1x 2 split air-conditioning at a same time in 2kw power loadar

1543

what is breathing?

PWD,

1149

Why silica gel use?

PWD,

2121

What is corona loss?

PWD,

2275

what is impedance?

PWD,

2046

What are Line losses and how can be it minimized/controlled.?

Omega, XYZ,

2258

Incoming line 11kv And transformer capacity is 2500kva. Consumption load is 1300A. Then fuse capacity is 11kv line.

1109

Define the three phase formula fuse.

1228

how to find under ground cable fault ??? if our cable size is 95*4 then what will load capacity with far mull

2105

What is AMP and KA in a MCCB and MCB

2453

Un-Answered Questions { Electrical Engineering }

why dimmerstate always connected in star connection? what will happen if it connected in delta?

1415

When we connect the large capacitor bank in series ?

455

how test transfomer(3 phase75kva) by megger

1454

which motor have relatively high power factor and what is reason for have high pf? 1.capacitor run motor 2.shaded pole motor 3.capacitor start motor 4.split phase motor

1242

What are the function of different components of servo motor?

1396

various transmission tower like .,D tower ,K.C.O tower ,C.C.O tower,K.C.R tower ,C.C.R tower ,H.C.O tower in different tons.

2292

why power not passes in plastic and rubber material

1373

pls tell me about ups internal connection & we have given only 3 phase supply to ups system how get 4 wire (R Y B N )

2054

hi....I am from india..i have completed my engineering in electrical and electronics field with 58.4% and my IELTS score is 5.5 bands....Recently i received my I-20 in computer and information science from Troy university in Alabama.On 18th i have a visa interview can u please tell me what type of questions i have to answer ??????

1254

What will be the size of copper cable (each for 3 phase and 1 neutral) from Service connection Kit-Kat to Panel Board (i.e. to main switch) for a 6 pole 3-phase AC induction motor of 200 H.P. capacity? Amp-255 A, Frequency:- 1450 rpm.

1341

Why the power factor improvement is so important in industrial loads

1212

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 ?

1342

What are the advantages of vscf wind electrical system?

461

. What is Electrical Life & Mechanical Life of Circuit Breaker? 2. What is Electrial Life & Mechanical Life of Magnetic Contactor? 3. What is RCD, RCCB & RCBO? 4. What is the Between defferance of RCD, RCCB & RCBO?

2655

if i am in front of transmission line how to know that current direction without any equipment

1087