Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

If rotor works in clock wise what happens

1954

i need mat lab program to find out the transmission line losses,regulation and losses

AITM,

1948

50 electric bulbs are connected across supply of 220 volts. After one bulb is fused remaining 49 bulbs are again connected to same supply. which case will have more illumination & WHY????????

KJ,

5 8686

We have Diesel generator of 200KW but load connected to it only 100KW. Pl. brief me about fuel consumption.

ARDE,

4 7546

what happens when ac supply is given to the dc motor and dc supply is given to the ac motor?

GATE,

1 4441

what happens when dc supply is given to the transformer?

3 5938

What is the name of process In VFD frequency are increase then voltage increase & frequency decrease then voltage decrease?

2017

why the transformer was not rotating like a motor?

TATA,

5 8091

How much heat will a 2500 KVA transformer will generate ?

5 9489

A copper wire of length l and diameter d has potential difference V applied at its two ends. The drift velocity is vd. If the diameter of wire is made d/3, then drift velocity becomes

1 6782

what is mean by restructuring power system?

2124

We have Diesel generator of 200KW. fuel consumption is always same,even connected light load or full load. Is it right?

ARDE,

2237

what is the difference between home inverter and online ups?

ME,

2 4906

what is the formula for backup time of online ups?

1 3820

Why mostly GT(Generating Transformer)has only Ynd1 Vector Group?

Essar,

1 5064

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Un-Answered Questions { Electrical Engineering }

What is meant by time harmonics and space harmonics?

2851

how could we know the size of cable by physical view?

1672

Which motor connection is preferable star-delta or delta-star?

1121

What do you mean by ratio correction factor of instrument transformer?

1235

What is the effect of solar radiation on the design of an Isolated Phase Busduct?

2414

What is difference between isolator and circuit breaker?

1187

wish of these transformer uses oil?

1672

If I bring a basic electric meter from the States and hook it up in Costa Rica in a development that has only one transformer for the 50 homes, will it still be accurate regarding the usage of kilowatt hours?

1973

1. How many types of mangers? 2.How many types of capacitors? 3.pls tell me normally types alternator problems?

2402

What is the Good Earth resistance value of G.I & Cu. Chemical Earthing & Normal Pipe Earthing?

2382

how many synchronous motor are there in any power plant

2053

What type of wiring series or parallel is used for conventional and addressable type FAS & why?

1846

In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)

1831

what is accuracy ? in any meters , coils accuracy . how can u defined that ?

2490

What is proportional controller?

1350

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