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 is the working principle of DC generator ?

DRDL, HCL,

10 19706

In zero voltage we can pass supply to our body means we cant get shock its true ? how we can do it ?

4 6070

what is the difference between brushed alternator ,brushless alternator & permanent alternator ?

1 26468

What is system earthing?what are the types?

ABB,

1 3590

why it is so called as xlpe(cross linked poly ethyline) cable?

2062

How single phase & 3 phase motor select rotating direction ie clockwise/anticlockwise

DRJ ARDE,

6 10855

a 50hz motor to give 60hz whats happening in motor.what happen the motor.

6 9218

in Megger what type of voltage(AC or DC) are produce.how they work.

1 12831

An AC coil to give DC supply whats happen in the coil.what type of problem are create.

2 4899

An AC Motor to give DC supply what happen the motor.whats the problem are create.

2 5216

what type of motor are there in megger how they work.

2 5062

how to avoid electrical shock how capacitor store charges wat are the speed control of induction motors state faradays law flemings left hand rule what is rotary converter wat is transmission and distribution what are the sources of energy abrevation of acb,vcb,sf6,igbt what is output equation of transformer which test copper iron and iron loss are calculated what is eddy current draw a single line diagram (10 marks) draw direct online starter(10 marks)

1931

phase colour is indicated by R Y B (red yellow blue) but in transformer i have seen U V W instead of (R Y B) have any meaning of this

Areva, Kim Yew,

3 21422

how to calculate the capacitor to maintain power factor?

Bosch,

2113

What is expand formation of AYFY cable

HP,

2 5845

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Un-Answered Questions { Electrical Engineering }

What is Long rod insulator and it's applications..? merits over the disc insulator ..?

1869

How to back charge the Gas turbine generator

2112

the problem faced on star or delta winding connection??

1889

1.what is the reason for transformer and lightning arrester blast in 33kv system

3051

What aturn on methods of scr?

1135

There are Two questions about Steam Turbine Generator... What is HRSG bypass of LP, HP used for in power generation? In particualar, in the event that fault of HP bypass, there would be STG TRIP in operation but none on the LP bypass fault...what's the reason ?

2280

What is meant by rotor?

1243

Which test will be more severe for VCB?

2614

What is dc current source? Differentiate between ideal and non ideal current sources?

1406

What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?

1969

HI SIR, AM PREPARING FOR RRB FOR SECTION ENGINEER POST. PLZ SEND ME THE PREVIOUS QUESTION PAPERS AND HELP ME. I HAVE NO ENOUGH TIME MY EXAM DATE IS 22ND JUNE.... MY EMAIL ID IS nalla.amarnath@gmail.com

1892

Single phase and threephase power calculation

2102

Actually I have a doubt on neutral and earth.we use Ac power without taking neutral by connecting to earth,but at that time does it affects on efficiency of any electrical components or no? If yes how?

1349

wow to calculate the transformer rating(KVA)

2224

What happens if the series current double?

1435

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