Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the scale analysis for condensor of HVAC system

3 2749

ANY ONE TELL ME ABOUT generator synchronization panel panel to synchronise 3 gen of 250kva both automatic and manual. 2 gen output vol 415 3ph, 1 gen output vol 400 3ph SEND THE DETAILS DIAGRAM ON THIS EMAIL ADDRESS ayazleo@hotmail.com as soon as possilble best ragrds electrical engineer ayaz mahmood SAUDI TECH

2868

How to select the rating of a CT used for REF protection. The rating can be of equal rating of Phase current or neutral current rating

UltraTech,

2 2838




what is the problem of generator over voltage.?except automatic voltage regulator card

Siemens,

2 2093

what is form factor

2 2714

what is the range of using dol starter & star delta starter.

10 29302

what is amf panel & how it is working

ATS,

5 36887

tell me working of air circuit braker.

2 3014




what is the working of ups.

7 6273

what is working of no & nc.

8 25800

what is the working of vfd drives.

2 4647

what is the material use in bus bar & why.

3 3210

when motor taking high amp what happen.

4 8508

what is the highest transmission voltage in India till now?

Bhel, Electrical,

36 41656

What happen if we have run 415 V,50Hz designed motor at on 480V,60HZ

8 10761


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Un-Answered Questions { Electrical Engineering }

How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

1306


Explain the construction of the conservator, operation and purpose, and draw the diagram of the conservator.

1078


How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.

520


hwat type of motor is used in thermal gas turbine hydro nuclear power plants and why

672


why ht cable end termination don't have a gland?

390






state working of halogen lamp?

573


why a tester wont shock while testing the power in house

463


how many Classification of fire extinguisher

809


We have 90mX100m hangar with 16 no.of supporting pillar. It is required to provide power supply on all pillars. what is suggested earthing scheme for hangars.

773


what is the relationship between phase & neutral

975


The synchronous machine excitation system explain

296


Why we used 690V in ACS 800 drives.Why dont use standard voltage like 415v or 1.1Kv

891


How much costly in percentage wise is sandwich busduct costly than air insulated busduct of any rating?

565


If i have two 3000 kW motors and the whole facility requires a 10 MVA transformer. What would be better installing two 5 MVA transformers(one for 1 motor ) or just a single 10 MVA transformer for both of them. Give reasons for your answer.

2707


What is the source of dependent source ?

581