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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what are the effects when the frequency is decreased in any ac machine

1 3836

what are the effects when a salient pole alternator is run at high speed like 3000 r.p.m?

2427

Is there any type of starter for DC motor other than two point,Three point and Four point starters?

2043

What is the Diesel consumption between 82KVA DG Set and 180KVA DG Set for 1 hour.

1 4089

Whether we used insulated line for 33KV supply. what we called it.

1 3898

Why we use 2core cable for Dc motor.Can I use 3core?

JK Paper, Maharaja Whiteline,

5 8665

what is closing resistor in circuit breaker? why it used?

3 17492

HI FRIENDS,MYSELF & MY GROUP OF FINAL YEAR ELECT ENGG. ARE MAKING A 50/3HZ,5HP,1000RPM,440V SALIENT POLE SYNCHRONOUS GENERATOR.COULD ANYONE OF U TELL ME WHAT COULD BE THE ADV. & DISADVANTAGES OF MAKING SUCH A LOW FREQN.GENERATOR/

2 4376

why cannot we use a freuency more than 400hz is used in aircrafts?

1 4347

what is charger supervision and control supervision?

2076

what is Over current, earth fault (O/C+E/F) ?

2 6975

what is differentila pilot supervision in the incomer control panel in the power station?

2099

what is the use of surge suppresser in 33 KV incoming panel. where it must be installed,inseries with incoming cable surge suppresser must be at incoming of the breaker are outgoing of the breaker

Siemens,

1 5414

How will polarity test of Dy5 Transformer ?

2271

Can i use to 3 phase 4 wire energy meter inplace of 3 phase 3 wire energy meter ?

4 7158

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Un-Answered Questions { Electrical Engineering }

Wt is the function of reactive power? How it generates & consume though resultant is zero?

1889

diameter of cable and core is doubled then the value of capacitance is

4298

what is PWM in IGBT and how it works for drive.?

1663

How do you select the pickup value of the relay?

1334

How PADO software increase the efficiency of power plant?

6483

difference between semiconductor & conductor & insulator?

2376

What is hipot test procedure?

1461

WHaT IS THE CONCEPT OF INDUCTION LAMPS IN MODERN LIGHTINGS, and HOW IT WORKS TO EMIT LIGHT ( AS NO ELECTRODES ARE PRESENT ) ?" COULD INDUCTION LAMPS CAUSE INTERFERENCE WITH COMUNICATIONS INTO A STORE USING INDUCTION LIGHTING ? WHAT IS THE BENEFIT OF USING THE LOW FREQENCY INDUCTION LAMP , VERSUS LED , AND VERSUS FLUORESCENT, AND VERSUS ANOTHER KIND OF LIGHTING . THANK yOU MOISES GUINDI

2068

Define bibo stability.

1076

Is it possible to obtain 480v or 550v in single phase output by giving the input to 230v to a single phase torodial type transformer without using a stepup transformer?

2000

WRITEDOWN FEW RELY CODES

2270

What does the kvar means?

1221

What is step signal?

1048

pls,send the previous year written test questions.

1919

why all the feeders are designed in a particular manner ... is there any reason for that???

1957

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