Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the value of 3 phase voltage?

RECPDCL,

7 3882

why do we need a 4th wire in 3phase 3wire transmission line

6 4286

What are the limiting factor for controlling maximum hot point temperature within a hydrogen and water cooled generator?

1 1762




resistance of transformer oil=?

HCL,

1 1895

What shall be minimum thickness of firewall in between two transformers and which code specifies it ?

1 12757

Three phase star connected PT transformer primary side one phase fuse is blown what will be the output in secondary side(Secondary side also three phase star connected)

1 1431

Three phase star connected PT transformer primary side one phase fuse is blown what will be the output in secondary side(Secondary side also three phase star connected)

Sun Pharma,

2 4462

what is the internal working of star delta starter

745




in a plug point why the hole size at the top is large?

TCS, Bhel,

9 6890

what is 'A' Check & 'B' Check ?

2 1776

What is single break or Double break related to MCB?

2 2679

How to convert KW to KVA or KVAR OR kvar/kva to kw?

8 59095

open circuit test when performed on double the voltage & double the freq, then what will happen with p.f and current magnitude?

Aarti Drugs,

1 564

what is an S.C.R. and how do they work?

GE,

4 3129

How line capacitance & line inductance varies with increase in height tower.

899


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Un-Answered Questions { Electrical Engineering }

sir please send me previous year questions of jspl of electrical section through which i could prepare myself fpr the test.

536


How dia computation perfomed in cold rolling mills .

1630


How generating electric power export to grid from the generating station ?

444


what is meant by flywheel and its role in retardation test

747


what is the use of power transformer in GSS.

938


detailed procedure how we calculate cost for pcc m10 and rcc m20 including centering and labour excluding steel/ iron

1546


In the ACB breaker capacity is 2000Amp but this each phase taken 1250 But total beldibg load is 600amp or 700amp watt is the problem

521


why magnet has north and south poles only why not east and west and why we are considering as north and south poles? why cant we consider as east and west?

554


quantizer means?

534


thyristor controlled APFC panel design parameter?

434


how to check avr of dg set of 125kva

1033


What is main cause of cable's terminal point burned in Lug on high temperature although lug and cable selection is ok as per stantard and also tightness is ok as per situation. so please take in deep and tell correct answer thanku.

3586


Why lose 1 phase voltage in 33kv to 415v stepdown transformer

357


what sort of general awareness questions are asked in o.n.g.c entrance exam?????????????????

3285


Hi guys! Plz help me to answer the following questions. 1. What are the types of transmission line energy losses? 2. Why are the VLF are used some types of services? 3. What frequencies are used for reliable beyond the horizon terrestrial communication without repeaters? 4. To permit selection of 1 out 16 equi-probable, what is the number of bitis required? 5. What is the most common modulation used for telegraphy? 6. What is the multiplexing is used to increase the capacity of the optic fiber? Thanks

732