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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

difference between elcb and rccb

ITC Infotech,

3 23898

In India,we use 230V,50HZ,where as many other countries use 110V,60HZ what r d advantages and disadvantages of each of them?

GVK,

8 29748

How do you select a cable size(cu&Al)for a particular load?

2 8471

The readings with a Multi meter are 15 Amps Phase Neutral 192,Phase Earth 194 and Neutral Earth 24 5 Amps Phase neutral 192, Phase Earth 153, neutral Earth 48

1 3408

The reason why the sending end and receiving end voltage sare almost equal when capacitive load is added.

4 11370

WHAT IS NORMAL VECTOR GROUP USED FOR DESIGNING OF TRANSFORMERS??

11 24369

WHAT IS NORMAL VECTOR GROUP USED FOR DESIGNING OF TRANSFORMERS??

2001

can we connect transformer with star conected secondary to delta connected primary in series?

1 4434

why mccb is not tripping when phase & neutral terminal are interched ?

4 11012

What are the applications of different multistage amplifiers?Plz also write advantages of these amplifiers? Thaaaaaaaaanx

2964

plz send me the syllabus or any sample paper for engineer trainee recruitment if any,on ravinder911@yahoo.com

Bhel, Maruti Suzuki,

2219

for testing busbar (33kv) hi-pot .whether we can apply DC r not.and what is the test volt for that .explain

WGPSN,

4 17492

What is STEP VOLTAGE ?

7 21490

How can we measure the frequency of a rotor running in full load condition? Explain the method of measuring.

Wipro,

2 6319

how can you calculate the value of external resistance inserted in a slipring industion motor? (eg. 110 kw / 990 rpm/50Hz/stator v-415/stator Amp-195/Rotor V-440/Rotor amps- 151.)

Bosch, NMDC,

6 52753

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Un-Answered Questions { Electrical Engineering }

CAN WE CALCULATE THE NEGATIVE SEQUENCE AND ZERO SEQUENCE REACTANCE OF A GENERATOR USING ONLY ITS RATED VOLTAGE, KW, PF AND SYNCHRONOUS REACTANCE??? IF YES, THEN HOW??

5714

WILL SCHNEIDER MAKE ACB(MASTERPACT)TRIP ON REVERSE POWER?

2280

What is the control action?

1198

What is the drawback of class b amplifier? How is this minimized?

1184

for what voltage will reactive power be largest in 380 kv line : a) 375kv b)380kv c)385kv

1534

how wecalculate breaking capcity of acb mcb mccb .explain with example

1992

size of condotory fron voltage level

2263

what is photo voltic cell,& what are the materials associated with that?and any spcifications like volts/cm etc?

2063

The transmission does not have options: a)Partition noise b) Flicker noise c) resistance d) Short noise and reason

2499

What are the necessary components of the feedback control system?

1291

What types domain of laplace transforms? What behavior can laplace transform predict how the system work?

1215

Why we use Electrical energy rather than any other type of energy, mostly? Explain behavior of open secondary CT and short circuited secondary PT in energized condition?

1944

is it necessary to earth the rmu before cutting off the transformer winding?if yes why?

1985

How PSV sizing being done

2370

what is residuel magnetism. and how order lead acid batteries for 24 volt. emergency lighting system.

2064

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