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 are the components connected in between the power supply coming from an electric pole to HT & LT Panels in a large commercial building or how the power supply connected from Electric pole to Transformer & then to the HT & LT panels of a building? Please send me answers via mail, my id is yogiagarwal@gmail.com. If possible, please give a line diagram.

Ranbaxy,

2076

plese send me the oces/dgfs sylabus and previous year question pattern of electrical engg.?

2302

Advantages of low voltage drive (control panel)

ABB,

1 4784

is the surge effect the solar panel, if yes so tell me how can surge effect the panel? explain brifly

1 3975

how many voltage or current enough to kill a person?

12 28446

how to calculate the settings for shaft ct protn in hydro generators

1968

why transformer rating is given in kva?

2 5254

what would happen if reactive power (kvar)is increased (more)or decreased (less)? how much exact reactive power should be maintained? and what should be done for that

ABB, Siemens,

2266

how to calculate the cable size in sqmm if load (kw) is given?

5 11287

If there is 25 hp motor,which type of starters we can us? why?

7 27886

is 60hz freq better than 50 hz?&why?

1 4533

Diode is active or passive element?

Infosys,

14 22750

What is I to C?

PowerTech,

2153

how can we find a burden of potential transformer? what does it effects? how can we calculate rated load of it?

Areva, KPTCL,

4 34644

What are test values for an 63 KVA and 100 Kva Distribution Transformers for the following typical tests 1)Magnetic balance 2)Short circuit test 3)Open Circuit test 4)Vector group confirmation test .please give me the standard values for all the above tests.

2717

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Un-Answered Questions { Electrical Engineering }

List out the different frequency domain specifications?

1235

PLEASE INFORM ABOUT THE IDEAL TEST RESULTS OF MAGNETIC BALANCE TEST OF TRANSFORMER 33/11 kv DELTA-STAR T/F

2210

Trafo ratio is 11kV/6.6kv,Vector group is YND11. What will be the effect if secondary is used for earthed system.

3800

List the disadvantages of constant k filters?

1669

Why is back emf used for a DC motor? Highlight its significance.

1209

How can ou verify the size of conductor 50Sq.mm ACSR

1952

what is capacitor voltage transformer?? how it is different from potential transformer?

2185

Differentiate between low pass, high pass and band pass filter?

1069

can any tell me why slope 40% and 80% is calculated in differential protection?

1888

PLZ SEND ME SOME UNIQUE PROJECT OF ELECTRICAL ENG (B.TECH)

1957

Why does inductive loads consume KVARs?

2074

Hi, My plant daily consumption is calculated as 3.8MWH but my supplier has sanctioned an power of 2.6MW per day. how can i equal or distinguish this two factors

1905

1.how many types of relays? 2.difference between ATS& STS?

2157

How vfd saving power.

2027

what is plunger and what's the use of it in motor alignment?

2642

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