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 a pulse transformer? how rise time of pulse changes when ever the voltage changes?

1916

Why a Transformer Noise during its running condition ??

NTPC, UPPCL,

11 22655

How the Transformer oil testing is done & Why oil dielectric goes LOW & what is solution for that ??

NTPC,

3 12700

What is the Maximum Power generation capacity of a Synchronus Machine ??

ETA, NTPC,

2380

What is the Total Power generation Capacity in India at present ??

Bhel, College School Exams Tests, IBM, NTPC,

20 38019

What is the function of Lightning Arrester & Wavetrap in Power system ??

ABB, Bhel, Energy Infratech, Infosys, NTPC,

18 81036

Why Power generation in India is at 50Hz while in America its 60Hz so is there any advantage/Disadvantage of this ??

Australia Visa, College School Exams Tests, Fiat, InfoPlus, L&T, NTPC, TCS,

38 89350

which Machine u will prefer to use at place where Flammable gases are coming out & why ??

NTPC,

6 10019

Why Human body feel Electric shock ?? n in an Electric train during running , We didnt feel any Shock ? why

Lovely Professional University, NTPC,

13 49050

What is the formula for calculating Transformer Losses & Efficiency. I want to compare the Transformer efficiency at different loading condition.

Rays Power Experts, Techser,

6 159466

How can I calculate the trnaformer effciency at different loading condition?

2 4696

transformer losses

1 4868

define IDMT relay?

APGenco, Bhel, L&T, Shriram Finance,

15 93530

WHERE IS THE LIGHTING ARRESTER SHOULD BE PLACED IN DISTRIBUTION LINES?

APTransco, BARC,

26 44153

i had aplied Hindustan Petroleum corporation limited for the post of maintenance technician -Electrical,i want model questions,if anybody have please send it or please advice?

1838

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Un-Answered Questions { Electrical Engineering }

Differenciate between circuit wiring and sub main wiring with illustrations

2195

For the requirement of a furnace of temperature range up to 1200 oC using silicon carbide rods, What is the required rate of transformer needed (please do it with all details)?

1913

Hi Friend I am used multimeter to measure the voltage between R Phase(SS1) to R Phase(SS2). In SS1 is connected with UPS loads. But I am getting voltage between these 2 R Phases. Please give some idea friend

2022

where lt & ht capacitor used

2182

what kelvin's law ?

2064

1 hp is equal to how much watt?

1209

what are factors to be consider in electrical installation like load factor,diversity factor .....

1775

State the other types of Air Conditioners?

2008

What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current

2334

What are the basic properties of signal flow graph?

1170

HOW TO CALCULATE HV CABLE SIZING?

3160

Why collecting electrode of ESP to be earthed

2089

how can i find ct ratio of meter by seeing name plate of meter and how it should be used in MF calculation if it shows only-/1???

1673

what are the breakdown voltage rating of mini- curcuit'transfarmer!

2131

What is the actual calculation for transformer short circuit test?.

2424

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