Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is AMF panel????????

ACC, Shree Cement,

8 59112

what is meant by peak load

2 2982

How can we calculate the cable size??? plz give the formula !!!!!

3 6125




wht is embedded systems? what is new inthis field?

699

why asa method ZPF method is more accurate than ASA method?

3409

What is disadvanage if power factor goes to in leading..?

991

Disadvantage of leading power factor

3 7749

what is DG synchronization panel plz explain the working!!!!!!!

Lanco, Kirloskar, MPS Techologies, Sedemac,

12 79092




WHY WE CAN GENERATE POWER IN 3PHASE MODE ONLY NOT IN 4 OR 5PHASE

18 10995

why odd hormonics only will effect the power system.why not even hormonics

2 3150

Why 60Hz motor taking more current on load in 50Hz power supply?

1 3430

Explain principle of Soft-starter & how its working???

MAHINDRA,

12 19338

Why i receive the GCU fault in my DG Sychronization panel . what all the factors considered for this fault .

857

what happens if DG N earthing fails while running and N Earthing fails while Transformer on load ???what will be the impact ???????/

2 3208

I need the proper answer on :- What is the Earthing Value as per the standard for Raw power and UPS Pit and in panel /DB N-E value ???

2 3839


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Un-Answered Questions { Electrical Engineering }

what is the difference between dry and wet type of 132kV terminations. which one is durable

729


can anybody tell me that for p.f. Improvment we use capacitor banks but how to decide its capacitance. As we all know how to calculate kvar but what abt capacitance value

653


why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?

656


is it value of power factor is more than unit. whats effects in the source supply

696


Why slip ring ind. motor power consumption is low compare to induction motor .same 90 kw motor used same load output

476






how we provide neutral earth on synchronising panel as per electrical standards?

765


how r charge carriers produced

745


What's mean HVF & HAF in Vacuum Circuit Breaker?

3738


1.what is the funtion of chiller primary & scondary pumps. 2.what is the use of distribution lines & Types. 3.what is the use the thermal power stations & how much capacity.

760


how do we calculate length of starting time and repeated starting of a direct online starter?

767


1.4 What is meant by CT knee point voltage and how would you determine it

157


what you have to see after one week or month from the day of installation of transformer ?

414


Please tell me the formulaes while designing a substation for power Calculations in designing a 33 KV Substation?????

626


How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.

633


In DC generator, we use commutator, having no. of segments. Then how it is possible to get a half wave of voltage and current for half rotation of armature?

756