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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why Induction Generators are not "Black start" ? and apart from WTGs where this types of generator are generally used?

2602

Draw the DOL starter and star delta starter drawing?

Danfoss,

2948

Simple explanation of kirchoff's law

2 5912

how to find out basic difference between ELCB,MCB AND RCCB on seeing the materials?

L&T,

1 4441

How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?

2842

what is zinc diffusion?

2027

how to find out difference between ELCB, MCB and RCB on looking on it

1 3325

how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!

SRES,

2288

why we use bare wire in high tension power instead of using insulated wire?

2 7235

i completed my DEEE. and i want to electrical c license. how to get it..?

2110

What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?

JKN Limited,

2457

In generating stations which we generate current or voltage if it is voltage then how it will convert to current and power?

NIT,

2 7652

how can we calculate the ampacity of the electrical wire/cable. and what are the factors must be considered. pls. elaborate.

Webel,

2210

Benifits of 3ph 4 wire metering over 3ph 3 wire

2435

in 11kv generators the neutral point is connected to earth via earth coil while in the 33 / 11 kv transformer the neutral point is connected to earth via earth resistor why?

1 5296

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Un-Answered Questions { Electrical Engineering }

Why are the cores of large transformers built up of circular transactions ?

1975

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.

1627

can anyone please help me to find the rupturing or breaking capacity in KA of circuit breaker (MCCB,VCB,ACB etc) of HT and LT side of a distribution transformer...please help with detailed step by step answer...thank you

1945

Is there any question in the name of Static Switch in UPS??

1914

I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.

1911

What is Phase margin?

1060

How Calculet The UPS AH In Load

1830

why we dont prefer ac voltage controller instead dimmerstat [if both have same rating] for conducting experiments in laboratories?

2111

Can 33kva/415v transformer be run underground? If the answer is yes why and if the answer is no why?

1527

Why we cant store an ac power. If we coo store in which device we can?

2129

which mm cable should be used for 1.hp immersible pump motor for the distance of 330 metres?

1677

Explain Energy and Power signals?

1716

where was current transformer protection units used and why??

1992

How do i right a ladder diagram that has 1 actuator that performs a full stroke followed by a half stroke

2040

What is precision of a measurement?

1059

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