Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the function of buchhos rely in transformer

5 7042

what is the function of conservater in transformer

3 11620

what is the function of cooling tubes in transformer

4 25124

kindly tell me how the load on generator increase by just increasing the fuel of prime mover, as if for exampple 20 MW gen set is synchronized the load ramps from zero to 20 MW gradully and during this procress only fuel of prime mover increases. Which thing determines the load on generator with respect to fuel

Birla,

4 14428

Hi, Next week Iam appearing RRB exam for section engineer. So help me to get modal question papers for this position. Iam very thankful to you. Whether question will be fully techanical format or general form. Please give me a details regarding this exam.

1458

Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?

1788

Differenciate between circuit wiring and sub main wiring with illustrations

MU,

1753

3. What is Impedance Voltage in Transformer?

KESC, L&T, Torrent Power,

16 108083

5. What is PMG in Alternators?

L&T,

11 43664

Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient?

1766

why are you interested in joining in core company instead of joing in software company

11 26774

how to test vector groups in transformer differential relay.

1 3077

Is it true that IPT are more accurate than CVT for Measuring purpose?

2 3679

is emf is indued if dc is passed through coil

5 6265

why transformer not work in dc

16 28332


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Un-Answered Questions { Electrical Engineering }

how brushed dc motor operating ?

1411


I COMPLITED MY B.TECH AND 10TH CLASS WITH 70%MARKS BUT 12TH CLASS 55%MARKS..CAN I GET INDIAN RAILWAY RECUREMENT EXAMINATION?

1708


What are the types of transformers according to the arrangement of iron cores?

608


A 400KVA transformer has 400 Hz frequency. If the frequency is changed to 50 Hz, then what will be the new KVA rating?

1349


ACB & VCB how do work and saftes and how can maintenance in this and parts name show with picture

1628






The loads are connected with phase and ground then why current flow as the loads ?

1471


What is Instantaneous Earth fault relay,how will work

1674


what is the use of surge suppresser in 33 KV incoming panel. where it must be installed,inseries with incoming cable surge suppresser must be at incoming of the breaker are outgoing of the breaker

4533


Write the current equation in series RLC circuits.

626


Define non-touching loop.

799


When we have earthing mesh or underground earthing network in industrial plants, weather we have NT-S or NT-C-S kind of earthing system, so eventually weather we must use 4 or 5 wire in 400 volt level (For example 3×150+70 mm2 or 5×150 mm2) in this connection I would like to know exactly the paragraph of IEC or IEEE number

1686


State and define norton’s theorem?

773


What is the difference between a verilog task and a verilog function?

658


what mean by analog ,digital,numerical meters and relays? say the example?

1755


If I want to buy a new Xformer for my plant what are the main parameter will I need to check?

1431