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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Can anybody tell me why inductors draw lagging current and capacitors draw leading current from supply?

4 9619

what is reactive power and active power

4 6989

What is the Ohms low calculation

2 5046

Single phase and threephase power calculation

2099

What is the Impedance, inductive reactance calculations

1806

What is the RMS Value. Please discribe in detail

Bhel,

14 19126

What is the transformenr turns ratio.

5 11931

How to measure current and voltage in an ELV circuit

4105

What about electrical Units. discrive in detail

2036

Discribe type of fault in DOL and stardelta startor.

2207

What is Skin effect in Cable?

4 7277

Waht is Inductor?

2 5972

WHAT ARE THE SITE TEST APPLIED ON A SURGE ARRESTORS? DO MEGGER TEST APPLIED ON SURGE ARRESTOR? IF YES THEN WHAT ARE THE ACCEPTED IR VALUE REQUIRED FOR SURGE ARRESTORS FOR VOLTAGE LEVEL 11KV, 33KV, 66KV 132KV, 220KV AND 400KV?

5 11315

IS HI-POT TEST DONE ON A TRANSFORMER - YES OR NO? WHY?

4 12815

is KVAR (not reverse power) relay necessary to protect from excitor field failure on a brushless, synchroneus generator? Some people with previos experince tell me no but the manufacturers tell me it is designed for that purpose. Is it that it is only necessary for brushless generators and not the older style with the slip rings and brushes?

1 4631

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Un-Answered Questions { Electrical Engineering }

What is meant by rotor?

1238

how much flux density of CRNO core

2955

What is given by the definition in BIL IMP/PF = 950/395 kV. This was found in a name plate of a power transformer.

2316

Generation of voltage for each phase are same of a turbogenerator.Although the short circuit current flow when two phase of turbogenerator are shorted(where current can't flow without potential difference),why?

2069

what is star delta starter? how it works? give its control and power diagram.

2058

what topics we have to concentrate for power grid et.written test.and tell what to read for english synonyms and antonyms.

1905

how to find three phase complex power in per unit and MVA?

2129

what is effect of leading power facter on the system and billing

2269

how to calculate differential current when we testing differential relay..suppose we have 1000kw generator,630amp VCB,what value we should put /inject so that relay trip the VCB? PLLZ justify ur comment

1534

low frequency protection why recomend?

2242

How many types of protection relays are there based on the characteristic?

1038

oil cooled transformer

2175

What is the formula for selecting the cabels according to load? How to calculate what sq.mm cabel to be used?

1445

is there any chart showing the suitable cable size according to AMP and length ? for three phase motors

1360

What are the advantage of free wheeling diode in a full wave rectifier?

1092

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